动词填空。

1. Listen! The radio says a traffic accident _____ (happen) last night.

2. My friend said he _____ (not reply)to my last three e-mails yet.

3. Don’t you know _____ (laugh) at the disabled is impolite?

4. All the work _____ (do).Let’s go and have a cup of coffee.

5. The Smiths _____ (plan) where to spend the holiday when I arrived.

6. Call me at any time.I will do what I can _____ (help) you.

7. Will you forgive her if she really _____ (call) to say sorry?

8. There _____ (be) many changes in my home town in the last few years.

9. All the people who were at the party that day _____ (ask) to provide the

fingerprints yesterday.

10. Someone told me that he devoted himself to _____(study) Chinese history.

下列各项，与吸烟关系不大的常见肺癌是（）

A.小细胞癌

B.大细胞癌

C.腺癌

D.鳞癌

E.类癌