When( )you come back?Nest week.1.did 2.will 3.do
问题描述：
When( )you come back?Nest week.1.did 2.will 3.do
这一道选择填空题!
答
选do.该句说的是将来,排除一选项,因为是特殊疑问句,不知事情究竟何时发生,顾用助动词do.