--Your classroom looks bright and tidy.

--It __________ after school every day.

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

 -- ________ do you visit your grandparents?    

-- Once a week. 

A. How soon       B. How often          C. How far       D.How long

-- Can you play football?

   --Yes, ________ I can't play it very well.

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

 You ________ great progress in your studies if you work harder.

          A. make                  B. made                             C. will make                D. have made

 It’s a good idea _______ the museum shop and buy postcards.

   A. visit             B. to visit                        C. visiting                D. visits

 We __________ in the same school since three years ago.

   A. study                   B. were studying                 C. will study                D. have studied

 My grandma ______ dinner when I got home yesterday.

    A. cooks         B. will cook        C. is cooking           D. was cooking

 To help those poor children we need ______ money.
     A. more               B. many                              C. a few                     D. a lot

 My friends and I ______ going to Happy Valley this weekend.

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

—Mr. Liu, must I hand in my homework right now?

—No, you ____.

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