1. Is this the farm ________ you visited last week?
A. where B. the one C. on which D. /
2. We came to a place, ________ stood a big tower.
A. which B. that C. / D. where
3. The second is connected with the use ________ the body makes of food.
A. of which B. where C. to do D. that
4. Why can't you realize the part ________ they have played in our life?
A. which B. on which C. when D. where
【解析】正确答案分别是D和A。一些词组和搭配被拆开后，句子的含义就变得难以理解。首先把拆开的词组复原是理解此类定语从句的关键。上述句子中包含以下词组：make use of, play a part (in)。
5. The scientist has made another discovery, _______ I believe is of great importance.
A. that B. / C. which D. why
【解析】应选择C。这类句子主要利用插入语或状语的添加来增加试题的难度。常见的插入语有：I think (suppose, expect, believe, imagine), in my opinion, to tell you the truth等。做这类题目时，最佳的办法是先删去插入语或状语，这样句子的主干部分就一目了然了。
6. Is this the man ________ you want to have ________the radio for me?
A. who; repaired B. that; repaired
C. whom; repairing D. that; repair
【解析】D项正确。非谓语动词是英语中难度较大的语法项目之一，因而在定语从句中加入非谓语动词就成了学生最易失分的题目。对付这类题目最有效的办法就是将句子还原。如：我们可以把几个句子中的定语从句进行还原，还原后的句子应是：You want to have the man repair the radio for me.
1. Was it in the shop ________ sold children's clothing that you lost your wallet?
A. / B. where C. that D. when
2. Thank you for the difficulty ________ you have had painting the house.
A. when B. / C. why D. where
3. Is there anyone around the factory ________ knows how to operate the computer?
A. who B. which C. where D. in which
4. The managers discussed the plan ________ they would like to see ________ the next year.
A. that; carried out
B. who; carried out
C. which; carry out
D. that; carrying out
5. She was much disappointed to see the beautiful cloth ________ she had made ________ with lots of spots.
A. which; cover
B. that; covered
C. /; covering
D. where; covering
6. Lincoln, ________ life was once hard, were elected President of American.
A. for whom B. who C. to whom D. /
Key: 1—6 CBAABA