1 . 定语从句是整个高一英语语法的重中之重，请同学们结合所学将下列十句话进行改错，每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏词符号（∧），并在其下面写上该加的词。
删除：把多余的词用斜线（＼）划掉。
修改：在错的词下划一横线，并在该词下面写上修改后的词。
1. The baby which Tom is looking after is his brother.
2. My friend is the boy who T- shirt is black.
3. There was a time what the businessman lost heart.
4. The reason why she gave was not true.
5. Frederick William I , whom the amber room belonged, decided not to keep it.
6. Cindy is a lovely girl, with that many people like to make friends.
7. This is the room, the roof of whom is red.
8. Which we all know, China is a developing country.
9. This is the book which I bought it yesterday.
10. He is a student who have a gift for maths.

2 . In history, the Romanies were divided into different groups and developed their own languages, _____ there are now around sixty varieties.

A．by which	B．of which
C．by whom	D．of whom

3 . Your speech was heard by a group of five _________, all of __________ agreed that it was   the best one this year.

A．judge; whom	B．judges; them
C．judge; them	D．judges; whom

4 . Many people, some of ______ are not overweight at all, are always going on diets or taking weight-loss pills, _____ are often dangerous.

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

5 . Portia, for ________ physics had once been very hard, turned out to be a physicist.

A．whom

B．whose

C．that

D．which

6 . There are two thousand students in this college, ______ are from the countryside.

A．one-third of them	B．one-third of which
C．one-third of whom	D．one-third in which

7 . She may have missed the train, ______ she won’t arrive for another hour.

A．in which case

B．in the case

C．in any case

D．in that case

8 . The man pulled out a gold watch,_____were made of small diamonds.

A．the hands of whom	B．whom the hands of
C．which the hands of	D．the hands of which

9 . With more than 17000 islands, _____ only 6000 are inhabited, Indonesia is the world’s largest archipelago （岛国）．

A．on which

B．for which

C．of which

D．along which