5. 王老师病了，我来替他给你们上课。

Mr. Wang is ill. I’ll _____ _____ _____to give you lessons.

4. 自然科学不如汉语课受欢迎。

Science ____ so　 ___________　 _______ Chinese.

3. 你对体育不感兴趣，为何不改学音乐？

You aren’t _____ _____sports. Why not learn music instead?

2. 医生告诉我这种药一天服三次。

The doctor told me _____ _____ this medicine three times a day.

1. 他在业余时间或者去钓鱼或者去划船。

He goes ______fishing ______boating in his free time.

9.It took me an hour to read this book. (改写句子，句意不变)

　　 I 　　　　　　　an hour 　　　　　　　　this book.

8. There isn’t anything wrong with the computer. (改为反意疑问句)

　　 There isn’t anything wrong with the computer, _____　 ______?

7. He can no longer stay here. (改写句子，句意不变)

　　 He can’t stay here　 ______ ______.

6. They didn’t watch TV yesterday. They read books, instead. (改写句子，句意不变)

　　 They read books ______ _______ watching TV yesterday.

5. He went to bed after his mother came back. (改写句子，句意不变)

　　 He ______ go to bed ______ his mother came back.