I don’t know when my son ________ back. When he_________ bac
I don't know when he_________.I must talk to him when he ___
I don't know when he _(come)back.
I don't know when he _(come)back.when he _(come)back,I will
I don't know when he ____ back tomorrow.Don't worry,I 'll ca
.--Do you know when he ___ back --Sorry ,I don”t .When he __
把复合句改成简单句:1.i don't know when i will come back.→i don't know
I really don't know when I will start my trip=I really don't
I don't know when I will come back改为同义句
I don't know when Mr.Li ____ back.But I'll call you at once
两道英语填空I don't know when my wife ______back,but when she ____
i don't know when the manager
I don't know when to leave