we don't know when we'll start.(改为简单句)
we don't know when we'll start.(改为简单句)
I don't know when we shall start.(改为简单句) I don't know ____ _
we don't know when ______ (start)
I don't know where we'll go.简单句
We don`t know when we shall start .(改为to do 的结构) We don`t kn
I don't know when we shall meet again .(改为简单句)
I don't know when we will begin the work.改为简单句.
l don't know when we will start this afternoon
I don’t know when we shall start the work.
I don't know when we shall leave for Moon Bay.(改为简单句)为什么用to?
we don't know when we will go on a field.(改为同义句) we don't kn
i dont know when we‘ll leave here改为简单句