用适当的介词填空:1、The store sells all the books _____ a big sale.

问题描述:

用适当的介词填空:1、The store sells all the books _____ a big sale.
2、Do you know the girl _____ a red skirt?3、Some of our clothes are _____ very a prices.急迫需要啊!Thanks!感激不尽!

1.at
2.in
3.at