问题

Everyone can borrow from this public library only two books _____ and they must be returned within a month

A:at one time
B:at times
C:at the time
D:at a time

正确答案是：

同类题型

Mr. Miller is so nice. He’s like a father _______ us.

I don’t allow ______ in my office and Idon’t allow my family ______ at all

I used to drink a lot of tea butthese days I _____ coffee.

He didn’t make____clear when and where the meetingwould be held

To fully understand the writer, we must read not only between the lines, but sometimes _______ the lines