问题描述：
_____will you stay in America?.
_____will you stay in America?_____ will you start ______ will you be back?为什么用how long ,when,how soon?
_____will you stay in America?_____ will you start ______ will you be back?为什么用how long ,when,how soon?
问题解答：
我来补答展开全文阅读