-I' going to the post office.-____ you are there,can you get

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/05 05:26:48

-I' going to the post office.-____ you are there,can you get me any stamps?
为什么用while不用if
while在这里是“当什么什么时候”还是“而”
给我的理由最好有说服力一点

这个题是一个非常经典的题
不用if是因为人家已经打算去了,不存在是否的问题.如果人家说I may go to the post office,就选if.这也曾是个考题
while表示当...时,当你在那里时,帮我买,人家去邮局是定死的事,不会变了.
懂了吗?

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