题目内容：

用括号内所给动词的适当形式填空。

1.When I got home, my parents ______________ (discuss) the traveling plan happily.

2.The students will not go to the Summer Palace if it ______________ ( rain) tomorrow.

3.He ______________ (not realize) the importance of learning English until two years ago.

4.Many people are against ______________ (smoke) in public places.

5.The queen refused ______________ (accept ) an interview when she went to Africa.

6.I hear that you ______________ (lie) in bed for a lot of days. Are you feeling better now?

7.---Where is Jack?   --- He ______________ (ride) an indoor roller coaster over there.

8.I like reading the book very much. I ______________ (renew) it in a week.