i don't know when we will fly to beijing.i don't know when()
I don't know when to leave
I don't know when leave 还是I don't know when to leaf
I don't know when we will leave the city.(同义句) I don't know(
I don't know when he will have the meeting 同义句 I don't know
句型转换I don't know when we will start.l _____ _____ ____ when
I don't know what I want 和 I think we.will be strange when w
改错 I don’t know when will they come
I don't know when you will return ____HongKong____San Franci
I don't know when we should leave for Nanjing.
I don’t know when we shall start the work.
i don't know when the manager
I don’t know when __________.