I. 选择题（共10小题，计10分）

21. Don’t let the child run so fast. He is too young, ___________.

A. all after                 B. after all                 C. too                       D. although

22. You should help the person who is __________.

A. on the bus      B. in the trouble         C. in trouble       D. in whit

23. They kept __________the button but nothing happened at all.

A. press              B. to press                C. pressed                 D. pressing

24. I was invited __________ the English Evening Party.

A. at                         B. for                        C. to                        D. in

25. When __________ you supposed to arrive yesterday?

A. are                       B. was                      C. were             D. is

26. Do you know how to use western cutlery (餐具)? Are you supposed to begin ______ the largest or the smallest?

A. for                       B. at                         C. with                      D. in

27. _________ his parents are at home, he cooks by himself.

A. If                         B. Even though          C. As if             D. Whether

28. Ann is so careful that she always goes over her exercises to __________ there are no mistakes.

A. look for               B. make sure     C. find out                D. think about

29. What do you plan __________ in your summer holidays?

A. to do             B. doing                   C. will do                 D. have done

30. My uncle lives in Shanghai. My father __________ him when he went to Shanghai on business.

A. dropped off          B. dropped into     C. dropped by        D. went past