My classmate helped me understand the math problem after class.

We interviewed three classmates for the school survey.

He is a good mate who always shares notes before exams.

My workmate helped me finish the report on time.

Some birds sing to find a mate in spring.

The story is about a man who loses his lifelong mate.

She met up with some of her old schoolmates.

One of my schoolmates now studies in another city.

He apologized to his teammates for his mistake.

A good teammate listens and shares useful ideas.

The blue shirt matches your jeans well.

This afternoon's match is sure to be exciting, for the two sides are well-matched.

Few players can match her in speed.

The two teams were well-matched, so the game was close.

Match each word with the correct picture.

The program matches volunteers with children who need help.

This small table is a perfect match for the sofa.

The young player was no match for the champion.

This afternoon's match is sure to be an exciting one.

Our school won the final match by two points.

He struck a match and lit the candle.

Keep matches away from young children.

Children develop language skills by listening and speaking every day.

The small village developed into a busy town.

He developed a fever during the trip.

She developed confidence after speaking in front of the class.

The company is developing a safer battery for electric cars.

Our group developed a plan for cleaning the river.

The city plans to develop the old factory area into a park.

The photographer developed the film in a dark room.

Many developing countries are building better roads and schools.

Her writing is a developing skill, so daily practice matters.

A developed country usually has strong public services.

The speaker gave a well-developed argument.

Reading supports language development in young children.

Economic development brought more jobs to the town.

The new app is still under development.

Product development takes time and testing.

We followed the latest developments in the rescue work.

They moved into a new housing development near the river.

Children at different developmental stages need different kinds of support.

The doctor explained the child's developmental needs to the parents.

She put the letter and a photo in an envelope.

Please write your address on the envelope.

The seed has a hard outer envelope that protects it.

The balloon's envelope held the warm air inside.

The young engineer likes to push the envelope in robot design.

Good writers sometimes push the envelope without confusing readers.

Thick fog enveloped the village in the morning.

The room was enveloped in smoke after the fire started.

We took a taxi to the airport because it was raining.

The taxi driver knew a faster road to the museum.

Citizens pay tax to support public services.

Income tax is paid on the money people earn.

The government may tax tobacco more heavily to protect health.

Some countries tax sugary drinks to reduce health problems.

Taxpayers expect public money to be used carefully.

Every taxpayer must report income honestly.

I will call you when the train arrives.

The meeting will start at nine tomorrow morning.

I will help you carry the books.

The door will not open, so we need another key.

Her strong will helped her finish the long race.

The students chose the topic of their own free will.

Grandfather left his house to his daughter in his will.

The old man decided to make a will after he became ill.

She said she would call me later.

I would help you if I had more time.

Would you like some tea after dinner?

I would rather walk than wait for the bus.

When we were children, we would play by the river after school.

My grandfather would tell us stories on winter nights.

Many students are willing to volunteer at the old people's home.

She is willing to explain the problem again after class.

The club depends on voluntary work from parents.

Leaving the team was a voluntary decision, not a punishment.

Several volunteers cleaned the park after the festival.

The museum needs student volunteers on weekends.

Li Ming volunteered to guide visitors around the school.

She volunteered at the library every Saturday.

She volunteered her opinion before anyone asked.

No one volunteered any information about the accident.

The monitor introduced the new student to the class.

Please introduce yourself before the interview begins.

The school introduced a recycling rule last term.

My father introduced me to classical music when I was young.

The guide gave a brief introduction to the museum.

After the introduction, everyone knew the guest's name.

The introduction of online booking made travel easier.

Farmers welcomed the introduction of better tools.

Read the introduction before you start the first chapter.

This course is an introduction to modern science.

The students conducted a survey about reading habits.

Just last year, I was conducting a workshop for young teachers.

A volunteer conducted us around the old town.

The famous musician conducted the school orchestra.

A metal spoon conducts heat much faster than wood.

Copper conducts electricity well, so it is used in wires.

The conductor raised his hand, and the orchestra became silent.

A good conductor helps every musician keep the same rhythm.

The train conductor checked our tickets near the door.

Ask the bus conductor where to get off.

Copper is a good conductor of electricity.

Wood is a poor conductor of heat.

Parents and schools work together to educate children.

She was educated at a small village school.

The poster educates the public about saving water.

The program educates teenagers on road safety.

Good education gives children more choices in life.

She received her early education in a small village school.

The museum offers educational programs for primary students.

The town needs better educational resources.

A trip to the farm can be both fun and educational.

The film has educational value for young viewers.

A good educator knows how to encourage shy students.

Many educators believe reading habits start at home.

Walking to school can reduce air pollution.

The shop reduced the price of winter coats by twenty percent.

Production was reduced by 10 percent last month.

Production was reduced to 10 percent after the accident.

The hotel employs local students during the summer holiday.

The school employed a guide to show visitors around.

Writers often employ simple examples to explain hard ideas.

The team employed new technology to save energy.

He was employed in repairing bikes after school.

She employed herself in preparing for the speech.

A responsible employer provides safe working conditions.

Her future employer asked about her computer skills.

Every employee must wear an ID card in the factory.

The new employee learned the safety rules on her first day.

The program helps graduates find employment in local companies.

Through the Summer Employment Opportunities program, students are hired each year in a variety of summer positions.

After months of training, he finally found regular employment.

Many students look for temporary employment during holidays.

The employment of solar energy reduced the school's bills.

The careful employment of simple words made the speech clear.

After the factory closed, many workers faced unemployment.

Training helped him return to work after a year of unemployment.

Unemployment rose after the factory closed.

Training programs can help reduce youth unemployment.

Leaves fall from the trees in late October.

The little boy fell down but stood up quickly.

Oil prices fell sharply last week.

There was a sudden fall in temperature during the night.

This topic falls into the field of biology.

The room fell into silence after the news.

The old chair fell apart when he sat on it.

If you miss too many lessons, you may fall behind.

Heavy rainfall caused flooding in several villages.

The desert has very low annual rainfall.

We will start a new club in the fall.

The park looks beautiful when the fall leaves turn red.

Flowers bloom in spring after the long winter.

Many students enjoy sports on warm spring days.

The sofa has a broken spring inside it.

The toy car moves because of a small spring.

A small spring runs out of the rocks near the path.

The town is famous for its hot springs.

The cat sprang onto the wall and disappeared.

New problems can spring from careless decisions.

The police helped maintain order during the concert.

A healthy diet helps maintain a good energy level.

You must maintain your bike if you ride it every day.

The school maintains its computers carefully.

He maintained that the answer was correct.

The writer maintains that exercise improves memory.

Her small shop maintains the whole family.

He worked at night to maintain himself at college.

The runner finally attained her goal of finishing the marathon.

Few students attain this level of fluency without daily practice.

The scientist attained international fame after years of work.

The country worked hard to attain independence.

You must obtain permission before using the laboratory.

The hospital obtained new equipment from a charity.

She found it difficult to sustain the children's interest.

The story is too weak to sustain the reader's interest.

Plants need water and sunlight to sustain life.

A small farm sustained the family for many years.

He sustained a knee injury during the match.

The building sustained serious damage in the storm.

The evidence was not strong enough to sustain his claim.

Several examples sustained the writer's argument.

Our team will compete in the city basketball final next week.

Students from many schools competed for the science prize.

Small shops find it hard to compete with large supermarkets.

We have to compete against several companies to get the contract.

She won first prize in the English speech competition.

More than fifty students entered the writing competition.

There is strong competition between the two phone companies.

Small businesses are in competition with online stores.

After the fever, he lost his appetite for several days.

Fresh air and exercise gave the children a healthy appetite.

He has an amazing appetite for knowledge.

The young writer has a strong appetite for adventure.

The job requires competence in both English and computer use.

Her calm answer showed real competence under pressure.

Language competence is important for international work.

The course helps students develop social competences.

A competent driver stays calm in heavy traffic.

She is competent to manage the class project.

Put your glasses back in their case after reading.

The museum keeps the old coins in a glass case.

The dictionary is on the top shelf of the bookcase.

Dad built a small bookcase for my room.

I found my notebook behind the novels on the bookshelf.

Her bookshelf is full of science magazines.

She packed her suitcase the night before the trip.

The suitcase was too heavy to lift onto the bus.

My uncle still keeps several music cassettes from the 1990s.

The language lab once used cassette players for listening practice.

The small shop accepts cash but not credit cards.

Please pay in cash if the card machine is not working.

He went to the bank to cash a cheque.

You can cash the check at the front desk.

In that case, we should leave earlier.

This is a clear case of careless planning.

The doctor reported three new cases of flu.

The lawyer studied the case carefully before the trial.

Take an umbrella in case it rains.

In case of fire, leave the building quickly.

Students can wear casual clothes on the school trip.

The meeting was friendly and casual.

A casual remark hurt his friend's feelings.

A casual meeting at the station changed her plan.

The shop needs casual workers during the holiday.

He found casual work at a hotel for the summer.

He dressed casually for the family dinner.

They chatted casually before the meeting began.

She mentioned the news casually, but everyone became quiet.

He casually asked a question that changed the discussion.

On this occasion, the head teacher spoke first.

I have met her on several occasions.

A wedding is a special occasion for the whole family.

People wore formal clothes for the occasion.

The visit gave us an occasion to thank our old teacher.

There was no occasion to worry.

Agriculture provides food and jobs for many families.

Modern agriculture uses machines to save time and labor.

The town sells agricultural products such as rice and tea.

New agricultural technology helps farmers use less water.

The family owns five acres of farmland near the river.

The forest fire destroyed hundreds of acres in one night.

Learning a language also means learning its culture.

Many exchange students experience culture shock at first.

The lab uses cell culture to study the disease.

The culture of rice has a long history in this area.

The museum shows modern art from young painters.

The old bowl is kept as a work of art.

Cooking is also an art when it needs patience and taste.

The art of speaking clearly is useful in interviews.

The artist painted the old bridge in soft colors.

Many young artists share their work online.

The school wants students to develop artistic talent as well as science skills.

Her artistic career began with small drawings.

Her room has an artistic style, with handmade lamps and posters.

The bridge has both practical use and artistic value.

The university opened a new center for artificial intelligence.

The university will receive a fund for research in artificial intelligence.

His artificial smile showed he was not really pleased.

The rule created an artificial difference between the two groups.

The train passed through a long tunnel.

Sunlight came through the window.

The baby cried all through the night.

The old coat was wet through.

She improved her English through daily reading.

We learned about the job through a friend.

They supported each other through thick and thin.

He is honest through and through.

The disease spread throughout the country.

The song became popular throughout the city.

He remained calm throughout the interview.

People have used stories to teach lessons throughout history.

The classroom needs a thorough cleaning before the new term.

The police made a thorough search of the building.

Write your name at the top of the page.

The mountain top was covered with snow.

She put the top back on the bottle.

He wore a white top with blue jeans.

He is one of the top students in our grade.

The film won the top prize at the festival.

Our team finished on top after the final match.

On top of homework, she has piano practice tonight.

The walk will take fifteen minutes, tops.

The repairs should cost two hundred yuan, tops.

In the reading test, our class came out tops.

She ranked tops in the final round.

The tip of the pencil broke during the exam.

The answer was on the tip of my tongue, but I could not say it.

Here is a useful tip: read the question before the passage.

The teacher gave us tips on how to remember new words.

We left a small tip for the waiter after dinner.

The taxi driver thanked us for the generous tip.

Tourists in some countries usually tip taxi drivers.

People often tip well for friendly service.

Please count the chairs before the meeting starts.