—Tom, you should avoid____ late for class.—I' m sorry. I won' t be late again.
Having ____ exercise every day will do great good to your health.
—What a pity. I’ve not got a ticket for the football match tonight.—Don't worry. It’ll be broadcast _______.
-----“Where did you find the professor who made the speech yesterday?”-----“It was in the hall ______ the students often have a meeting.”
The factory produces half a million pairs of shoes every year, 80% ____ are sold abroad.
I hate _______ when people talk with their mouths full.