Shanghai is the city____the 2010 world Expo is held.A which B where C in where Dthat 选B.为什么?为什么C不对?C为in which对不起我写错了
问题描述:
Shanghai is the city____the 2010 world Expo is held.A which B where C in where Dthat 选B.为什么?
为什么C不对?C为in which对不起我写错了
答