16. Zhang, we _______playing the tape recorder so loudly after midnight. It could be a great disturbance to our neighbors.
A don’t suppose                  B are not supposing
C supposed to be not              D are not supposed to be

17. I have been to the doctor’s about my headache. He says there is _______ , but I must lie up for a few days.
   A something serious                B anything serious
   C not serious                      D nothing serious

18. ________ four years since John left school.
   A They have been         B It is           C It was               D Those are

19. Hurry up! We have _______ to spare.
  A the little time.          B a little time             C few times          D little time

20.You went to the wrong shop. You ___to the shop next to the cinema, but you went to the shop by the post office.
   A ought to                      B ought to have gone
   C ought to be going               D ought go

16. 正確答案：D
    例題解析：be not supposed to do sth. 表示禁止做某事

17. 正確答案：D
    例題解析：修飾不定代詞 something, anything, nothing 的形容詞應(yīng)置于其后，本句又表達(dá)的是否定意思，故選D

18. 正確答案：B
    例題解析： since 引導(dǎo)的時間狀語從句的主句使用一般現(xiàn)在時或現(xiàn)在完成時

19. 正確答案：D
    例題解析：根據(jù)題意為沒有多少時間， few修飾可數(shù)名詞

20. 正確答案：B
   例題解析：ought to/ should +動詞的完成式表示過去該做某事而未做