It is strange that such a thing ___ in your university.
A. will happen
B. happens
C. happened
D. should happen
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Sharon was supposed to be here at 10 o'clock. She ___ about our meeting.
A. would have forgotten
B. should have forgotten
C. ought to have forgotten
D. must have forgotten
If I had taken my unbrella with me when I went to work this morning, I ___ wet now.
A. will not be
B. will not have been
C. would not be
D. would not have been
It is getting late, I’d rather you _________ now.
A. left
B. leave
C. are leaving
D. will leave
在三相三线制中，三相功率的测量一般采用三表法。 （ ）
A. 对
B. 错
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