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问题: You look very tired.___at all last night?过完?还是一般过去

---You look very tired._____at all last night?
---No,not really.i'm tired out now.
A.Were you sleeping
B Did you sleep

解答:

我觉得选过去完成时,在这里完成时强调“睡觉”对现在“tired”的影响。