31.----Who ______ that piano?

　 ----My sister, when she ______time.

A.plays ; has　　　 B. is playing; has　 C.plays; is having　 D. is playing; has had

30. It`s hard _____ a job .

A. to look for　 B. to find　　　 C. to find out　　 D.to look at

29. ----Do you want tea or coffee?

　 ---- ______.　 I really don`t mind.

A. Both　　　　 B. None　　　　 C. Either　　　 D. Neither

28. Many _____ trees should be planted on the mountains.

A. thousand　　　 B. thousand of　　 C.thousands　　 D.thousands of

27. ----I`ll be away on holiday. Would you mind looking after my cat ?

　 ----Not at all. ______________.

A. I have no time　 　B. I`d rather not　 C.You can leave　　 D.I`d be happy to

从每小题所给的四个选项中选出能完成或回答这一小题的正确答案。

26. ______ school is much bigger than ______.

A. Our ; their　　 B. Ours; theirs　 C. Theirs; our　 D.Their;ours

25. whole　　　　　 A.whose　　　 B.white　　　 C.when　　　 D.what

24. should　　　　　 A.school　　　 B.machine　　 C.much 　　　D.cheap

23. winners　　　　 A.apples　　　 B.oranges　　 C.boxes 　　D.glasses

22. sheep　　　　　 A. field　　　　 B.die　　　　 C.real　　　 D.head