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Wedidnotknowyouwereintroubleatthattime,

練習題2.75W

問題詳情:

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

知識點:副詞

題型:選擇題

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