—__________jacket is this?—It’s mine. A. Who B. Who’s C. Whose
—I’m going to take a vacation tomorrow. --Oh, good! ___________________.
–I will take my driving test next month. --___________________.
Our parents often tell us ___________ on the street.
— We’d better go home right now. The sky is getting . — Okay, let’s go!
While I _____________, someone ___________at the door.