How long does a snake sleep? It ______ for eighteen ______ a day. A. sleep, hour B. sleeps, hours C. slept, hours
They arrived_____Shanghai__________a cold morning.
—There _______ a football match this evening.—Exciting news.
—I had a backache. I can’t sleep. —_______
Sam spends two hours _______ his homework every day.
— Watching TV too much _______ bad for your eyes. —I’ll go to bed right away.