That door locked.That’s way we used the back entrance at pre
Who's that at the door
--who's that at the door?--____ is a postman.
That's the very textbook we used last term.
We need ( )to open the locked door
That is the way that we live
making sure that the door is locked before you leave the roo
make sure the door is locked before you leave the lab.A.that
You’d better that the door is locked before you leave. A. se
要确保们已经锁上了—— ——that the door is locked
I remembered that I (had to)lock the door and so I locked it
Who is that at the door?
Who is that at the door ?