I don't know when I can (arrive)
I don’t know when he (arrive). When he (arrive) here, I will
I don't know when I can post this letter .
when it left scars can heal~i don't know~
I don't know when he ___(arrive)填什么
I don't know when the guest( ) be here.they( )arrive at any
同义句I don't know when I can start the new lesson=I don't know
I don't know when I can post the letter.改为同义句I don't know __
i don't know can i finish it when i go to school 语法对吗
i don't know when the manager
I don't know when to leave
I don’t know when __________.
I don't know when ( ) famous