Thank you for all your hard work last week. I don’t think we ______ it without you.
A．could have managedB．can manage
C．could manageD．can have managed
A

試題分析：考查情態(tài)動(dòng)詞表示推測(cè)。對(duì)過(guò)去情況的推測(cè)使用“情態(tài)動(dòng)詞+have done”的形式；本題中的I don’t think we could have managed it without you中是否定前移，我認(rèn)為沒(méi)有你我們是不可能做到的。Couldn’t have done不可能做某事。故A正確。
點(diǎn)評(píng)：對(duì)過(guò)去情況的推測(cè)使用“情態(tài)動(dòng)詞+have done”的形式；
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