11) My children are trying to sleep.
12) They don't go to school at weekends.
13) Why do you believe him? He never tells the truth. He always lies.
14) She desided to visit London last month. She met interedting people, saw wonderful sights and enjoyed herself a lot.
15) Where is she? I am waiting for her.
16) Do they know that the water is boiling at 100 degrees Celsius?
17) My parents built a house in 1985.
18) He didn't marry her, because she broke up with him last year.
19) She sits in a park over there.
20) Did he like the book that he borrowed yestarday?