Joe has finished his frist-aid course. He proves extremely helpful as a rescue worker.

When he asked which one I wanted, I said I didn’t mind.

Although he is intelligent, he doesn't do well at school.

Everyone was watching the little dog. They were greatly amused at it.

It was so late that nothing could be done.

There is no question of changing my mind about resigning.

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

He was driving so fast that he could have had an accident.

They know that the Prime Minister is in favour of the new law.

The substance is very toxic. Protective clothing must be worn at all times.

We bought two bicycles. Neither of them worked well.

People think that traffic congestion in the downtown area is due to the increasing number of private cars.

She wasn’t early enough to catch the bus.

All flights were delayed yesterday due to an accident on the runway.

He is an authority on primitive religion.

I spent a long time getting over the disappointment of losing the match.

“We preserve natural resources. We can use them in the future.” means _____.

“I’m sorry I didn’t ring you earlier?”, Tom said to Bill.

I really believe my letter came as a great surprise to John.

The buses began to pull out. Most of them were full passengers.

He doesn’t study hard, so he can fail the exam.