问题 选择题

Adam behaved _________ he had never heard such a thing before.

A.in case

B.as if

C.while

D.though

答案

B

题目分析:考查连词:A. in case以防,B. as if如果,C. while虽然,当…时候,然而,D. though虽然,句意:Adam表现的象从来没有发生过这样的事情。选B。

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