11.　 I have seen trees, _____ open at sunrise and close at sunset.

A. which the leaves　 B. of which the leaves　 C. whose leaves　 D. its leaves

10.　 It was at our college library _____ I borrowed the novel.

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

9.　　　 This is _____ I can do for you right now.

A. which　　 B. that　　 C. what　　 D. as

8.　　　 I didn’t like the way _____ she spoke to me.

A. which　　 B. that　　 C. how　　 D. as

7.　　　 It was not until late in the evening _____ the traveler found a hotel.

A. which　　 B. that　　 C. as　　 D. where

6.　　　 This is the reason _____ they are all against the plan.

A. which　　 B. that　　 C. why　　 D. what

5.　　　 The speaker will tell us about some writers and their works _____are known to us.

A. which　　 B. that　　 C. as　　 D. who

4.　　　 Is there anything _____ I can do for you?

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

3.　　　 He lives in a hotel, _____ is only five minutes’ walk from here.

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

2.　　　 The engineer _____ my father is talking has just come from abroad.

A. with whom　　 B. with who　　 C. with which　　 D. that