I’ll call you if he _______ tomorrow.
— ______ do you read English newspapers?—I read China Daily every day.
—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?