---Are you going to take part in the speech competition? --- _____. It’s too good a chance to miss.
—Tom wants to know if you will have a picnic tomorrow. —Yes. But if it ______, we’ll play chess instead.
—The little girl ______ her seat to an old man on the bus. —What a kind girl!
—Jack, could you help me when the plane will take off on the Internet? —I’m sorry, my computer doesn’t work.
—I feel tired and sleepy. —Why not stop ______ for a while?
—Yao Ming is very popular among teenagers. —Yes. Many middle school students are his ______.