问题
选择题
—What's wrong with you? You looked tired.
—Last night I _____ sleep well.[ ]
A.couldn't
B.wouldn't
C.mustn't
D.needn't
答案
答案:A
—What's wrong with you? You looked tired.
—Last night I _____ sleep well.[ ]
A.couldn't
B.wouldn't
C.mustn't
D.needn't
答案:A