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Therobbertoldhimthathehadbetterkeepsilent

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问题详情:

Therobbertoldhimthathehadbetterkeepsilent

The robber told him that he had better keep silent ______ he wanted to get into trouble.


A. if    B. in case   C. otherwise    D. unless 

【回答】

D

知识点:连词

题型:选择题

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