Not until I reached home ________ I _________ that I had lost the wallet.

7. 学校前面是一个新建的操场，我们经常在那里打篮球。

In front of our school ________ a newly-built playground ________ ________ we often play basketball.

8. "你好象感冒了。""是的。"

- You seem to have caught a cold.

- ________ _________ ________.

9. 你想见的那个女孩子来啦！

__________ __________ the girl who you are eager to see.

10. 我不想认识他，也不想了解他的一些情况。

I don't want to know him, ________ ________ I want to learn something about him.

B. 单项选择。

1. Only when _____ the painting ______ decide whether the

　painting is worth buying.

　A. he sees; he can B. does he see; can he

　C. he sees; can he D. sees he; he can

2. - David has made great progress recently.

　- _______, and ________.

　A. So he has; so you have B. So has he; so have you

　C. So he has; so have you D. So has he; so you have

3. Out_____, with a stick in his hand.

　A. did he rush B. rushed he C. he rushed D. he did rush

4. _____all scientists from Asia.

　A. Were present at the meeting B. Present at the meeting were

　C. Are present at the meeting D. Present were at the meeting

5. Not once since my son went to school____traveling with him.

　A. had I gone B. have I gone C. I have gone D. I had gone

6. - He ought to have been warned of the danger.