——Look at your pale face. You ______ a sleepless night.
——You bet. The work site next to the hotel was so noisy.
A．must have had B．might have
C．should have had D．cannot have had
A
考查情態(tài)動詞。must have done過去一定做過某事。句意：看你蒼白的臉，你昨天晚上一定沒睡好。選A。
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