22.　 Her hand was stick out of the second storey window ______ she could pick the apples on the tree.

A. from there　　　 B. from where　　　　 C. from which　　 D. in which

21.　 I, who ______ your friends, should help you.

A. am　　 B. is　　　 C. be　　　 D. are

20.　 This is such a difficult question ______ nobody can answer it.

A. as　　　 B. which　　　 C. that　　　 D. so that

19.　 The tree, the branches ______ are almost bare, is a very old one.

A. whose　 　B. of which　　 C. in which　　 D. on which

18.　 I can think of many cases ______ students obviously knew a lot of English words and expressions but couldn’t write a good essay.

A. why　　　 B. which　　　　 C. as　　　 D. where

17.　 It is advised that the meeting ______ until next week.

A. will be put off　　 B. is put off　　 C. be put off　　 D. put off

16.　 It was in the hotel ______ Mrl Brown stayed ______ they held the meeting.

A. which; that　　 B. where; that　　 C. that; where　　 D. where; which

15.　 Is this factory ______ you worked in 1990?

A. the one　　 B. the one of which　 C. in which　　 D. the one in which

14.　 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

13.　 It was ______ the gas ran out that the fire went out suddenly.

A. since　　 B. as　　　 C. because　　　 D. for