The magician picked several persons from the audience and asked them to help him with the performance.
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A
by accident
B
on occasion
C
at random
D
on an average
推荐题目
I gave him a present but he gave me nothing ________
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A
in cash
B
in relief
C
in charge
D
in return
 It’s nothing unusual to experience failure, and _____ ought we to be so discouraged.
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A
in no time
B
by all means
C
in no way
D
in any condition