We spend about one-third of our lives sleeping. We know relatively little about sleep.

The boy lost several of his fingers because of firecrackers. The doctors are operating on him.

have/at the station/her/we/just met

They will ask you a lot of questions at the interview.

The purpose of any invention is to make our lives better, so good or bad; it depends on the way by which we use these inventions.

“You have just got a promotion, haven’t you? Congratulations!” Peter said to his friend.

Without your help, I couldn’t have succeeded.

She was so busy that she couldn’t answer the phone.

They report that over 200,000 people were killed in the tsunami.

l have learnt never to take sides in any arguments between my close friends.

We cut down many forests. The Earth becomes hot.

We have run out of the items you want.

You have just passed your exam. This makes your parents happy.

The test was so difficult that we couldn’t finish it in two hours.

Henry tasted the pleasures of modern city life. Then he found life in his village hard and unattractive.

An electrical fault could have caused the fire.

“Why don’t you participate in the volunteer work in summer?" said Sophie.

Somebody might have stolen our car.

He cannot practice scuba diving because he has a weak heart.

Tom said: “If I were you, I wouldn’t trust Peter.”

We cut down many forests. The Earth becomes hot.