Some kinds of fish live in fresh water. Others live in sea water.

In your country, schools are open to all. The accept children of any race, color or creed.

He felt very tired. He was determined to continue to climb up the mountain.

I did not see Susan off at the airport. I feel bad about it now.

The government knows the extent of the problem. The government needs to take action soon.

A house in that district will cost at least $100,000.

My mother is very busy with her work at the office. She still takes good care of us.

"I have never been to Russia. I think I shall go there next year.” said Bill.

"No, I won't go to work at the weekend," said Sally.

He smokes too much; perhaps that’s why he can’t get rid of his cough.

They were exposed to biased information, so they didn't know the true story.

People believed that Jane retired because of her poor health.

We survived that accident because we were wearing our seat belts. 

John is studying hard. He doesn’t want to fail the exam.

“Go on Jack, apply for the job” said Mary.

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