—Peter looked tired and a little absent-
题型:选择题
问题:
—Peter looked tired and a little absent-minded in class.
—He _____ too late.
A.may stay up
B.could stay up
C.should have stayed up
D.must have stayed up
—Peter looked tired and a little absent-minded in class.
—He _____ too late.
A.may stay up
B.could stay up
C.should have stayed up
D.must have stayed up