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
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
B