— No, you ________, my dear. You're free to make your own decision.
—When your homework is finished, you ______.
—yes, I'm afraid I really_____.
—Because it has caused lots of pollution. We need better environment.
—It _____be him. He has gone to HongKong.
—No, you ________ play it near the road. That's too dangerous!
They boys chess in the afternoon.