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 ―Theaccidentmightnothavehappened,hadwebeenmorecareful....

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問題詳情:

 ―Theaccidentmightnothavehappened,hadwebeenmorecareful....

 ―The accident might not have happened, had we been more careful.     


 ―But we ______.


        A. weren’t                  B. didn’t                       C. hadn’t                      D. don’t

【回答】

A

知識點:虛擬語氣與情態動詞

題型:選擇題

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