九年级英语新目标第12单元问题
提问句:Inyourcountry,whatareyousupposedtodowhenyoumeetsomenoeforthefirsttime?
回答:You'resupposedtoshakehands.
为何回答要用you'er?
问句问的you
常理说回答不是I吗?I'msupposedtoshakehands.