9.-I haven’t seen him for a month.-What do you think _______to him? (happen)

8. --- What do you think of the film? --- It is very nice. I _______ it twice. (see)

7. I can’t go to see the film tonight, because I _________ my ticket. (lose)

6. Jane _______ a new dress every month when she was in Shanghai. (buy)

5. --- Do you like this dress? --- Yes, I do. It _______ so comfortable. (feel)

4. Our teacher told us that the earth _______ around the sun. (move)

3. The girl is often heard __________(sing) in the next room.

2. Three years ________ (pass) since he came to China.

1. I am very happy that I ___________　 (choose)as the host.

20. He lives on the ________ (twelve) floor.