题目内容
-Look! It ________be Mrs.Smith.
-It ________ be her.She has just gone to Shanghai.
[ ]
A.can, mustn't
B.must, can/t
C.must, mustn't
D.can't, must
答案:B
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题目内容
-Look! It ________be Mrs.Smith.
-It ________ be her.She has just gone to Shanghai.
A.can, mustn't
B.must, can/t
C.must, mustn't
D.can't, must