问题

Another cup of coffee? That’s your third since lunch.—Yeah, well, I ____ all night preparing for my history exam. I can hardly keep my eyes open.

A:stayed up
B:have stayed up
C:have been staying up
D:will stay up

正确答案是：

同类题型

What does Tom like dinner -He likes chicken and French fries.

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Keep up good state of mind even if you _____ fail plenty of times.

________________ —No, I don’t. I don’t like fights in them.

My old father began to study computer science at the age of sixty in order that he might ________ times.