Mr. Smith is ________ English teacher, and this English book is ________.
—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 ______.