题目内容
—It seems that your cousin Mary is talking with her daughter over there.
—I don’t think so. It _____ be her because she called me from her home just now.
A. can’t B. mustn’t C. can D. must
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题目内容
—It seems that your cousin Mary is talking with her daughter over there.
—I don’t think so. It _____ be her because she called me from her home just now.
A. can’t B. mustn’t C. can D. must