4.Paul doesn’t have to be made _____.He always worked hard .

A. learn　　　 　　　B. to learn　　　　　　 C.learned　　　 D. learning

3.----I’ll be away on a business trip.Would you mind looking after my cat ?

----Not at all .______

A. I’ve no time　　 B. I’d rather not　　　　 C.I’d like it　　　 D.I’d be happy to

2.Robert is said _____ abroad ,but I don’t know what country he studied in .

A. to have studied　 B.to study　　　　　　 C. to be studying　 D.to have been studying

1.Having a trip abroad is certainly good for the old couple ,but it remains _____ whether they will enjoy it .

A.to see　　　　　 B.to be seen　　　　　　 C.seeing　　　 D.seen

10.He hid behind the door,holding his ______(呼吸).

9.He ______(建议) us to ask Mr Li for some advice.

8.The increase in the population of plants can stop the process of ______(土地沙漠化).

7.Air ______(污染) are beginning to draw more and more attention.

6.The frightened man sounded as if he was going to die of ______(恐惧).

5.After the tsunami in Indian Ocean people showed more c______for the earthquakes in the sea.