2 . Workers built shelters for survivors ______ homes had been destroyed. (用适当的词填空)

3 . 住在那里的人有三分之二死亡或者受伤。(定语从句)
Two thirds of the people________ ________ ________were dead or injured.

4 . I like to read stories ______ endings are out of expectation.

A．who

B．which

C．whom

D．whose

5 . Our English teacher always creates an active atmosphere in her class ______we are willing to express ourselves.

A．where

B．that

C．which

D．who

6 . The reason _______ he was late was _______ he was ill.

A．Why, which

B．why, why

C．why , what

D．why , that

7 . For nearly ten years, wind blew on the southern plains of America, ________ caused serious results. (用适当的词填空)

8 . I will not lose courage even ______ I should fail ten times. (用适当的词填空)

9 . Please don’t call me during office hours _______ it’s really necessary.

A．since

B．unless

C．as if

D．as long as

10 . This is the man to ________ you could turn for help. (用适当的词填空)