问题
选择题
—Who is knocking at the door?
—It ______ be Miss Zhang. Because she has just gone to Japan.[ ]
A. mustn't
B. can't
C. may not
D. needn't
答案
答案：B
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—Who is knocking at the door?
—It ______ be Miss Zhang. Because she has just gone to Japan.[ ]
A. mustn't
B. can't
C. may not
D. needn't
答案：B