I will go to the postoffice .Do you have some letters __.A to post B to be posted .选哪个?

问题描述:

I will go to the postoffice .Do you have some letters __.A to post B to be posted .选哪个?

这个是个语法固定搭配的题
选B
如果是我去,信也是我的就用A
但信是你的,是别人的,所以用B
如果题目是I have letters
就用to post