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Thank you for all your hard work last week. I don’t think we _____ it without you.
A．can manageB．could have managed
C．could manageD．can have managed
B
此題考查情態(tài)動詞表示虛擬意義的用法。I don’t think…是否定前移。意為：我認為沒有你我們本不能做成這件事的。此題關鍵是要根據句意知道是虛擬語氣，其基本形式是情態(tài)動詞（過去式）+have done,所以其他選項皆可排除。
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