Did you stay up very late last night?——No，It was not 10 o’clock yet ____I went to bed

Apple’s iphone4S disappointed its fans，its later success was beyond what people could expect

It was foolish of the student to _______ his notes during the important test, and as a result, he got punished.

Must I return the book this week — No, you ____. You can _ it for 20 days.

I won’t share a bedroom you and I ’d like a room my own.