29. Although the physics problem is very hard, ____ students in our class have worked it out.

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

28. ―Where is your mother, Jack?

   ―She is busy ____ a cake. I will have a birthday party tonight.

   A. make                  B. made                       C. making                    D. to make

27. My mother often tells me ____ to MP3 while I am doing my homework.

   A. to listen                     B. not listen                  C. not to listen                     D. listening

26. ―Mum, May I go out to play basketball with my friends this afternoon?

   ―No, you ____. You have to finish your homework first.

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

25. Yang Lin isn’t good at English, ____ he does well in math.

   A. and                    B. so                            C. or                            D. but

24. ―This coat is too ____. Can you show me a cheaper one?

    ―What about the blue one? It’s cheap.

    A. expensive          B. small                       C. old                          D. beautiful

23. ―Would you like some bread? It’s delicious.

   ―No, thank you. I ____ my breakfast.

   A. eat                     B. ate                                  C. have eaten                D. will eat

22. He ____ me the news as soon as I got home.

   A. tell                     B. tells                                C. told                         D. will tell

21. ―What were you doing when I called you?

    ―I ____ my homework.

    A. do             B. am doing                         C. was doing                 D. did

20. ―Mike！What are you doing now?

   ―I’m ____ my toy car. I can’t find it.

   A. looking at    B. looking after                    C. looking for               D. looking forward to