—Are you free now?—No.I have so many chores________today.
To make our school more beautiful,rubbish________into the river.A.can’t throwB.mustn’t be thrownC.needn’t be thrown
—Your classroom is very clean.—Sure.It________after school every day.
—He’s never stolen anything before,________he?—________.It’s his second time to be taken to the police station.
The window________by some kids who were playing ball.
—Do you love reading Guo Jingming’s novels?—Of course I do,but I________them for a long time because I’m always busy.