Don’t talk with your partners in class__...

Don’t talk with your partners in class_______ you are asked to do so.

A. if B. when C. unless

C 【解析】试题分析：句意：如果你没有被要求交谈那么在课上不要和你的同伴交谈。A. if如果B. when 当C. unless如果不，根据句意，故选C. 考点：考查连词的用法。

考点分析：

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