1 . 很多学生高度评价这个志愿者活动，他们从中受益匪浅。(汉译英)
_______________________________________________________________

2 . The friend ______ she had been living for two years suddenly packed her bags and left.

A．with which

B．whom

C．with whom

D．who

3 . Normal system is an effective means __________ a government serves the economic society.

A．in which

B．by which

C．from which

D．behind which

4 . 此外，通过使用地图和数据，斯诺改变了科学家研究疾病的方式。因此，斯诺被誉为现代流行病之父。(汉译英)

5 . It’s quite easy to make quite small changes to the way ________ you work and study.

A．what

B．how

C．which

D．不填

6 . The lady ________I discussed different world languages stays in my memory as a good friend.

A．with whom

B．by whom

C．from who

D．to whom

7 . Peter has collected many history books ___________ he learns a lot about the history of the nation.

A．about which

B．from which

C．why

D．to which

8 . 我来到这儿以后，交了一些朋友，从他们那儿我受益匪浅。(定语从句)
I made some friends ________ after I came here.

9 . 唐人街中的大多数居民仍是华人，他们中的大多数不会讲流利的英语。 (many of whom 非限定性定语从句) （汉译英）

10 . We often go running in the park________ we can see many trees and flowers.

A．on which

B．that

C．in which

D．whom