sob是个混蛋波波夫:SINCE用什么提问的?

来源:百度文库 编辑:中科新闻网 时间:2024/09/30 21:22:24
SINCE解释为自从用什么提问?
I saw someone dancing in the next room just now!(同义句)
Someone _____ ______ ______ in the next room just now!

如果连时间状语用when,如果连原因状语用why