请教where do you have to put your bag in the locker first?

问题描述:

请教where do you have to put your bag in the locker first?
a.before you walk into a big supermarket like carrefour.
b.when you walk into a bookshop.
c.when you walk into your school library.
d.when you walk into your school

选a,问你在什么地方需要你先寄包?
a 当你进入像家乐福这种超市之前
b 当你进入书店时
c 当你进学校图书馆时
d 当你进学校时
显然a为正确答案