--- The two old friends were ______ busy ______ with each other ______ the time.--- Yes. They hadn’t met for long.
Tom hurt one of his _______ yesterday.
There isn’t any ________ here. Could you pass me some?
—I am looking for the party.—________
—What are you doing?—I’m _______ my notebook. I can’t ______ it.
You must make your classroom ________.