______ you study harder, you’ll fall behind others.A.Once B.Unless C.Until
You’ll be late __________ you don’t get up now.
—When _________ the car _______ ? —Sorry. I don’t know.
—Whose schoolbag is this? —It ___________ be Mary’s. It has her name on it.
The movie is too scary. I can’t __________ it.
Now Old Henry is very sad, so he doesn’t want to do _________.