He has given me so much help that I really want to do something for him ______.
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A
in turn
B
by turns
C
in return
D
in answer.
推荐题目
 This nice magazine _____ your brother.
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A
is belonged to
B
belongs to
C
has been belonged to
D
is belonging to
Everybody in the village knew him,so we had       his home.
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A
no difficulty to find
B
some difficulty finding
C
some difficulty to find
D
no difficulty in finding