题目内容

——________ Mary happy today?   
——I don’t think so. She ________ look happy this morning.
A．Is, isn’tB．Is, doesn’tC．Does, doesn’tD．Does, isn’t
B

试题分析：句意：玛丽今天高兴吗？我认为不高兴。她今天早晨看起来不开心。happy为形容词，主语为第三人称单数，故用is；look happy其否定形式应该借助助动词does来完成，所以用doesn’t；故选B。
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