问题

________too late last night, I could not have fallen asleep in class.
A:didn’t stay up
B:hadn’t stayed up
C:don’t stay up
D:haven’t stayed up
B:hadn’t stayed up
C:don’t stay up
D:haven’t stayed up
正确答案是:
同类题型
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I can’t thank you _______ much because without your help I _______ have won the first prize.
I hope _______ the stationery with those children from poor areas.