题目内容
—Look! Mrs. Smith is standing in front of the teaching building.
—It______ her. She has gone to Egypt for her holiday.
A. must be B. mustn’t be C. can be D. can’t be
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题目内容
—Look! Mrs. Smith is standing in front of the teaching building.
—It______ her. She has gone to Egypt for her holiday.
A. must be B. mustn’t be C. can be D. can’t be