21.  A．the reader                 B．the college student

 C．the shop owner             D．the customer

19. Lily’s tastes are _______Lucy’s. They have a lot of other things in common. Which one is wrong?

C. out of harmony with D. in harmony with

18. If you had followed my advice, you ____________.

   A. were to succeed   B. should succeed  

C. would succeed     D. would have succeeded

17.He sang beautifully at the party, which_____ me most.　

   A. reflected   B. punished   C. suffered   D. impressed

16.These shoes look nice.How much will you ___ for them?

   A. spend      B. afford    C. charge   D. cost

15.As a doctor,he expects ___ at any hour of the day or night.

      A. calling   B.to call   C.being called  D. to be called

14. ____ he said surprised all of us.

   A. That      B. What     C. When    D. 不填

13.Seconds_______ in an emergency

A. count   B. cost   C. worth     D. are valued

12.All students seemed completely _______ after the ______ trip.

   A. tire, tire            B. tied, tiring

   C. tired, tired          D. tiring, tiring