问题

I’m sorry , but there’s no smoking on this flight ．——Oh, I _______that ．Sorry , I won’t again

A:don’t know
B:didn’t know
C:won’t know
D:haven’t known

正确答案是：

同类题型

I’ll have a math test this Friday.—- _____.

Here ____ some of my photos.

He accidentally _____ he had quarreled with his wife and that he hadn’t been home for a couple of weeks. [ ]

163_____ you are leaving tomorrow, we can eat dinner together tonight

_______a lot _______ fun.