30. -- Would you like to play football with us?

-- I”d love to. But I must finish __________ my house first.

A. clean B. cleaning C. to clean D. cleaned

29. -- How long __________ Mrs. Black __________ in our school?

-- Ever since she came to Beijing.

A. has ; been B. is ; going C. has ; gone D. will ; go

28. -- Must I go to bed now?

-- I”m afraid so. It”s __________ late that you can”t get up on time tomorrow morning.

A. very B. quite C. too D. so

27. -- What did the teacher say just now?

-- He told us not __________ games in the street.

A. play B. playing C. to play D. played

26. -- What is the headmaster like, do you know?

-- She is very kind __________ she looks serious.

A. because B. though C if D. when

25. -- Do you speak Chinese, Mr. Green?

-- Yes, I do, but only __________.

A. a few B. few C. a little D. little

24. -- Which do you want for supper, fish or meat?

-- Neither. I like chicken __________ of all.

A. much B. well C. better D. best

23. -- Please tell Mary to call us.

-- I will as soon as she __________ from work.

A. comes B. come C. is coming D. will come

22. -- Where is Uncle Bill?

-- He is in the children”s room. He is telling them __________ interesting story.

A. a B. an C. the D. 不填

21. -- Let”s go to the classroom.

-- Don”t hurry. There __________ a few minutes left.

A. am B. is C. are D. be