I'm afraid I won't be available. I __________ a friend off at 3 o'clock this afternoon.
—If you're free tonight, I'd like to invite you to a movie. —That's nice of you, but are you________?
Since it's raining, it would ________to stay at home and play cards.
John plays football________, if not better than, David.
从题中所给的A、B、C、D四个选项中选出一个最佳答案。 You can't come in without a________. A.permission B.permit C.being permitted D.permitted
You are not________to drive after drinking.