Ⅰ 用适当形式填空.
1. He __________ back a month ago. (come)
2. My mother often tells me __________ in bed. (not read)
3. I must take it back the day after tomorrow. You can only __________ it for 24 hours. (keep)
4. Why have you kept me __________ here for so long a time? (wait)
5. Please come to our meeting if you __________ free tomorrow. (be)
6. She __________ to the Great Wall several times. (go)
7. In his letter, he said that he __________ us very much. (miss)
8. The film __________ for nearly fifteen minutes when I got to the cinema. (be)
9. He said he became __________ in physics. (interest)
10. This film is worth __________. (see)
11. He went to school instead of __________ home. (go)
12. In the old days it was difficult for the poor to __________ a job. ( find)