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

People say that products are sold in this market at suitable prices.

It’s more than a couple of years since I last went there.

They expect that recent changes will bring about an overall improvement in the quality of the country’s education.

Darwin/ who/ be/ famous/ English/ scientist/ develop/ theory/ evolution/.

The old man treated the little boy badly.

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

We have run out of the items you want.

The little girl said “Will you help me open the parcel? I can’t do it alone”.

She gave in her notice. She planned to start her new job in January.

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

Donald could not help weeping when he heard the bad news.

I had to do my homework. I could not help my mother with the washing-up.

Only Mary scored high enough to pass this test.

No matter how hard Fred tried to start the car, he didn’t succeed.

When the unemployment rate is high, the crime rate is usually also high.

The USA is a country of high youth unemployment.

Although it was expected that he would stand for election, he didn’t.

"Get out of my car or I'll call the police!" Jane shouted to the strange man.

"If I were you, I'd ask the teacher for help" he said.

They are going to hold next year's congress in San Francisco.