1 The meeting didn't start___ everyone was there.
 

2 The boy ___ to bed ___ his mother came in.

3 I won't believe you___ I have seen it with my own eyes.

4 He ___ home ___ she was satisfied ___ his answer yesterday.

5 He ___ back until the work ___ done.

6 They didn't start the work ___ their teacher came back.

7 Tom will call me as soon as he ___ Shanghai.

8  I'm sure he'll come to see me before he ___ Beijing

9  I will tell him the news as soon as he___ back.

10 Tom has got a watch. He ___ it for two years. It _______ by his father.

11  When he got to the station, the train ___.

12  The boy told his father what he ___ in the street.

13  We ___ TV when the telephone ____.

14  By the end of last term, I___ ten books.

15  I ___ you for a long time. Where ___ you ___?

16 Tom___ China for 3 years.

17  I won't go to see the film tonight, because I ___ my ticket.

18  -Hello! May I speak to Bob?
-Sorry, but he ___ for a month.

19 I ___ him since I began to live in the city.

20 Zhao Lan ___ already ___ in this school for two years.

21 Betty didn't go to see the film yesterday ___ she was ill.

22 May I sit nearer___I can see more clearly?

23 ___ you work hard, you will certainly succeed.

24 ___ he came to study in the university, he has made much progress in the study of English.

25 I'd like to go swimming _____ the water is not too cold.