[例1] Friendship is needed by all, _____ plays an important role in people’s lives.
A. which B. that C. who D. it
分析：_____ plays an important role in people’s lives為非限定性定語從句修飾先行詞Friendship用which連接定語從句。
答案：A
[例2] Uncle Li _____ I worked three years ago has retired now.
A. who B. whom C. with whom D. to whom
分析：_____ I worked three years ago作為定語從句修飾先行詞Uncle Li，從句完整的表達是：I worked with Uncle Li three years ago. 所以關系詞前應加上介詞with。
答案：C
[例3] Is this the reason _____ at the meeting for his carelessness in his work ?
A. he explained B. what he explained C. how he explained D. why he explained
分析：定語從句_____ at the meeting for his carelessness in his work修飾先行詞the reason指“他在會上就他工作中的粗心解釋的原因。先行詞在從句中做賓語。
答案：A
[例4] Teachers, _____ work is rather hard, are being better paid than before.
A. who B. that C. which D. whose
分析：非限定性定語從句_____ work is rather hard修飾先行詞teachers, 它與從句中的work是從屬關系，關系詞用whose
答案：D
[例5 ] The Olympic Games , _____ in 776 BC, didn’t included women players until 1912.
A. first playing B. to be first played
C. first played D. to be first playing
分析：公元前776年被首次舉行的奧運會，直到1912年才容納女運動員。_____in 776 BC做定語修飾The Olympic Games，指過去的內容，表示被動。用done做定語。
答案：C
[例6] The houses _____ for the teachers and the construction work will start soon.
A. built B. to be built C. to build D. being built
分析：根據句意房子即將開工。_____ for the teachers and the construction work修飾The houses應為The houses The houses將要為教師和施工修建的房子。
答案：B
[例7] How many of us_____, a meeting that is not important to us would be interested in the discussion?
A. attended B. attending C. to attend D. have attended
分析：根據句意：比如說，我們當中參加壹個對我們毫不重要的會議的人會有多少人對這個討論感興趣呢？_____, say, a meeting that is not important to us修飾How many of us做定語。與全句動作同步.
答案：B
[例8] She has three children, _____ is working in Australia.
A. who B. one of whom C. one of them D. none of them
分析：非限定性定語從句__ is working in Australia修飾先行詞three children，根據從句中的is判斷，是說：三個孩子中的壹個在澳大利亞工作。
答案：B
模擬試題
1. Susan is the very girl _____ the good deed.
A. whom I think did B. whom I think she did
C. who I think did D. I think who did
2. Luckily, the poor boy had enough money _____ he could buy a train ticket.
A. by which B. on which C. with which D. for which
3. The book _____ he devoted much time is to come out next month.
A. where B. which C. to which D. on which
4. The day came finally _____ I was given an opportunity to act in the play.
A. when B. in that C. which D. in which
5. 1. Don’t you think the question _____ tomorrow is of great importance.
A. being discussed B. discussed
C. to be discussed D. to discuss
6. The food _____ at the moment is for the dinner party.
A. cooked B. to be cooked C. is being cooked D. being cooked
7. Do you know the teacher _____ under the big tree ?
A. read B. reads C. reading D. being read
試題答案
1. C Susan 正是我認為作了好事的那位女孩。先行詞the very girl在從句中做think的賓語，同時又是後面賓語從句did the good deed.的主語，所以關系詞不能用whom
2. C 定語從句_____ he could buy a train ticket.修飾先行詞money：用這筆錢買火車票。關系詞前面需要加介詞：with
3. C 定語從句_____ he devoted much time意思是：他把大量的時間都投入在這本書上了。devote….to sth.關系詞前加介詞：to
4. A 定語從句_____ I was given an opportunity to act in the play修飾先行詞the day ：先行詞the day在從句中做時間狀語：在這壹天我得到了扮演壹個角色的機會。
5. C 短語_____ tomorrow做定語修飾the question，根據表達的內容：明天即將被討論的問題。應當用不定式的被動結構做定語。
6. D 短語_____ at the moment做the food的定語,表示：正在做的食物。Being done 做定語表示：正在被……的……。
7. C 現在分詞短語reading under the big tree做定語修飾the teacher 表示：正在大樹下看書的那位老師。