问题

We didn’t get a hotel room because we ______ in advance.

A:hadn’t booked
B:haven’t booked
C:weren’t booking
D:wouldn’t book

正确答案是：

同类题型

OK to take this seat—Sorry, .

Once new difficulties _____ in our new job, we should learn to use our brains to solve them.

do you like to eat—Some salad.

下列各句中，没有语病的一句是（）

ists across the world agree that thisis an invention of _______ great significance, _______ invention that willgreatly change human life.