二、单项填空（本题有10小题，每小题1分，共10分）

请从A、B、C、D四个选项中选出可以填入空白处的最佳选项。

(　)16. ---- Who’s that lovely girl?

      ---- You mean ______ girl with long hair? That’s Kate

 A. a           B. an        C. the           D. 不填

(　)17. ----Would you like to go for a walk with me , Allen ?

      ---- I’d love to , ______ you don’t want to go alone.

           A. until     B. before     C. if           D. after

(　)18. ----Must I get up early tomorrow morning ?

      ----No, you ______.The meeting starts at 10:00.

           A. mustn’t     B. needn’t    C. can’t      D. shouldn’t

(　)19. ---- What do you think is the most important among people?

      ----__________. It can help us enjoy the joy from friends.

A. Challenge        B. Disagreement  C. Development   D. Friendship

(　)20. ----Ben and Sue aren’t at home, are they?

      ----No. They _____to London on business.

A. have gone     B. go     C. have been     D. will go

(　)21. ----What kind of movies do you like ?

      ---- I like the movies _____ are about Chinese history.

           A. who         B. whom        C. whose       D. that