—May I come in?—________ A. Come in, please. B. It doesn’t matter. C. That’s OK.
He likes playing _____ guitar, but he doesn't like playing _____ volleyball.
---Let's play baseball.---_______ .
Does he has a tennis racket? ________
Where are the books ? ________ on the desk .
Is this _______ key? No,that one is _______