Who is o___ d_____?Sorry,I don't know
The door is open.Who has opened(open)it?Sorry,I don't know.为
who is an oldman?sorry,I don't know后是 him还是he
sorry,I don't know.
Sorry,I don't know
()is that zebra?Sorry I don’t know
Who's the boy in red?Sorry,I don't know__.___is a new studen
do you know who the hair band ()?----sorry,i don,t know.
I don't know ( )(him).Who is ( )(he)?
sorry I don't know. 翻译中文?
sorry,I really don't know----------
sorry,I don't know!什么意识?
关于宾语从句的问题 I don,t know who is the best one I don.t know who