二. 用动词的适当形式填空：

1. I remember ________ (turn) off the light in my bedroom, but now it’s still on.

2. I tried __________ (not worry), but I phoned him once a day.

3. Don’t forget ________ (bring) your new camera tomorrow.

4. If the kid ________ (want) to fly a kite, we ________ (go) to the park.

5. If you __________(not have) a ticket, you _________ (not get) in.

6. If he __________ (be) late, __________ (not wait) for him.

7. We must clean and tidy the room when we finish _________ (paint).

8. It’s hard work to get everything ready on time ________(print).

9. If the car won’t start, try ________ (push) it.

10. Don’t forget _________(water) my flowers while I’m away.

11. I insisted that he ________ (go) at once.

12. If he ________(pass) the exam, his father ________ (buy) him a computer.

13. Certainly I posted your letter—I remember _________ (post) it.

14. She ________ (fall) in love with the house as soon as she saw it.

15. As he _________ (read) the newspaper, Granny went out quietly.

16. I look forward to ________ (receive) your reply as soon as possible.

17. They ________ (listen) to the teacher attentively (专心地) when the bell _______(ring).

18. We couldn’t decide whether ________ (buy) the red one or the blue one.