(   ) 24. Can you tell me the name of the factory        you visited last year.

   A. what   B. where   C /     D. when

(   ) 23. The clock is that        can tell us the time.

   A. which   B. that   C. where   D. who

(   ) 22. Poor        he is,he is always very happy.

   A. when   B. while   C. as   D. before

(   ) 21. Mary was drawing on the blackboard        the teacher came in.

   A. when   B. while   C. as   D. since

(   ) 20. The teacher showed us        do.

   A. what can a computer   B. how could a computer

   C. what a computer could   D. how can a computer

(   ) 19. We hoped the wind        before we        out.

   A. will stop,started   B. would stop,would start

   C. would stop,started   D. stop,will start

(   ) 18. We couldn't decide        the best.

   A. which is composition   B. whose composition was

   C. whose composition is   D. whose is composition

(   ) 17. I don't know        . 

   A. what does a milu deer look   B. how a milu deer is like

   C. how is a milu deer like   D. what a milu deer looks like

(   ) 16.        the day went on,the weather got worse.

   A. With   B. Since   C. While   D. As

(   ) 15.         ，Mother will wait for him to have dinner together.

   A. However late is he   B. However he is late

   C. However is he late   D. However late he is