Question

——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

Answer 1

A

考查情态动词。must have done过去一定做过某事。句意：看你苍白的脸，你昨天晚上一定没睡好。选A。