摘要：She is late. What have happened to her? A should B must C can D would
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She is already two hours late. What _________to her?
A. can have happened B. must have happened
C. should have happened D. must happen
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She is almost 2 hours late. What ________ to her?
[ ]
A．should have happened
B．must have happened
C．may have happened
D．can have happened
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