34. ________ it snow, the crops would grow better.

A. were　 　B. Were to　　 C. Should　 D. Would

33. They want to see how civilized(驯化) the animal can______.

A. experience　　 B. change　 C. develop　 D. become

32. Rather than________ on a crowded bus, he always prefers _______ a bicycle.

A. ride; ride　　　　　 B. riding; ride

C. ride; to ride　　　　 D. to ride; riding

31. Along the paths stood some signs,________ was written / ! Keep Off The Grass! /”

A. on which　 B. in which　 C. which　 D. that

30. It was______ the neighbours saw catch the thief.

A. him that　 B. he that　 C. said that　 D. where

29. Whose eyes________ it that he saw in the darkness?

A. was　　 B. were　　 C. is　　 D. are

28. Where was________ the traffic accident happened last night?

A. it that　　 B. it　　 C. the place that　 D. the place

27. Is this the school_______ you visited some foreigners a few months ago?

A. that　　 B. which　　 C. the one　 D. where

26. Has everything________ can be done__________?

A. what; done　　　　 B. that; been done

C. that; already done　 D. what; already been done

25. ________ everything he had taken away from him?

A. Was　 B. Should　　 C. Did　　 D. Had