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
选择？？

where do you go?? Where do you come from? Where do you come form？ 请教where do you have to put your bag in the locker first? 十万火急！Where do you think () go Do you know where my home is? where do you come from?这种情况不懂 Where do you live?怎么回答啊？？？ do you know where you golng 的中文音译 急求卫兰 do you know where you are going to伴奏!!!!