进贤县方正:SINCE用什么提问的?

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/06 17:52:22
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