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Wedidnotknowyouwereintroubleatthattime,

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问题详情:

Wedidnotknowyouwereintroubleatthattime,

We did not know you were in trouble at that time, ______we would have given you a hand.

A. otherwise    B. however

C. therefore    D. though

【回答】

A

知识点:副词

题型:选择题

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