一、用所给动词的正确形式填空（每题1分，计70分）
1. I find it boring ________ (be) a doctor for animals.
2. Mr. Brown will go fishing if it ________ (not rain) tomorrow.
3. They ________ (treat) well when they became sick.
4. Mrs. Parley was busy ________ (do) her homework. Suddenly an earthquake ________ (rock) the city.
5. — ________ your uncle ________ (return) the video tapes to Mr. Fox?
— No. They're still in his bedroom.
6. The captain ________ (train) the children when I saw him yesterday.
7. We just wanted ________ (do) our best ________ (score) the first goal.
8. He'll write to me as soon as he ________ (reach) Suzhou.
9. ________ you ever ________ (see) the film? Yes, I ________ (see) it two weeks ago.
10. I think he ________ (be) back in a week.
11. Bill is strict with himself. He never ________ (leave) today's work for tomorrow.
12. In the past five years, Robert ________ (visit) England twice.
13. By the time we got there, the train ________ (be) away for ten minutes.
14. Do you know the boy ________ (save) by Tom?
15. Please go and see who ________ (cry) in the next room.
16. Yesterday they ________ (not play) football together because they wer
