题目内容

—Look at the young lady in red. Is it Mrs. King?
—No, It ________ be her. She is wearing a white dress today.
A．canB．mayC．mustD．can’t
D
can能够，可以；may可以，可能；must必须，一定；can’t不能。句意：看这个穿红衣服的女士，是金夫人吗？——不，不可能是她。她今天穿了一件白色的连衣裙。结合语境可知选D。
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