题目内容
30.—Peter looked tired and a little absent-minded at the meeting.
—He _____ up too late.
A.may stay B.could stay
C.should have stayed D.must have stayed
D
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题目内容
30.—Peter looked tired and a little absent-minded at the meeting.
—He _____ up too late.
A.may stay B.could stay
C.should have stayed D.must have stayed
D