LISTEN,MARY IS SINGING IN THE NEXT ROOM.THAT__BE MARY.SHE IS IN HOSPITAL.A:MAY NOT B:SHOULDN'TC:WOULDN'T D:CAN'T
问题描述：
LISTEN,MARY IS SINGING IN THE NEXT ROOM.THAT__BE MARY.SHE IS IN HOSPITAL.A:MAY NOT B:SHOULDN'T
C:WOULDN'T D:CAN'T
答
选A，may not.
那不可能是Mary，她在医院呢。
答
D.为正确选项. 句子里有She is in hospital. 说明第一个说话的人,看到的不可能是Mary.“不可能”用can't be.
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