31．My parents often tell me _____ computer games a lot because it's bad for my eyes.

               A. don't play      B. not play            C. not to play           D. to not play

30．―Your bedroom is very clean and tidy.

    ―Thank you ! It ______ every day .I like doing some cleaning.

               A. cleans         B. is cleaned          C. cleaned             D. was cleaned

29．―Hi, Jim. _________ you come to play basketball with me?

    ―Sorry, I can’t. I have a lot of homework to do.

               A. May         B. Must                     C. Can                            D. Need 

28．You ________ a mistake if you are not careful enough in your study.

               A. make         B. made             C. is making                    D. will make

27．―Where is your mother, Mike?

    ―She _______________to the supermarket. She will come back soon.

               A. has gone          B. went                        C. has been                    D. will go

26．― Look! What is Peter doing now?

   ―He _____ for the bus. Let's say "Hello" to him.

A. waits          B. will wait          C. is waiting                   D.has waited

25．My family went to the Summer Palace and we _____ a great time there.

               A. have                      B. are having                C. will have                  D. had

24．―Which picture is _____ , the blue one or the yellow one ?

   ―I think the yellow one .

               A. good                B. better              C. best              D. the best

23．―________was Mary late for the meeting yesterday?

   ―Because there was something wrong with her bike.

               A. When                     B. Where                      C. What                       D. Why

22．Lucy has got two brothers._____ of them are teachers.

               A. All                  B. None                       C. Both                        D. Either