— He’s never stolen anything before，______ he?
—______ ．It’s his third time to be taken to the police station．

— How many students in your class have visited the White House?
—______.

—Would you mind turning down the music?
—______ .

—Thank you for the nice meal you offered us!       
—_______.

—Jean, I didn’t do very well in this test.
—____. I’m sure you will make great progress if you improve the way you study.

—You never stay up till midnight, do you?
—___________. But I think it’s bad for our health.

—I’m sorry. That wasn’t of much help.
— ________. In fact, it was most helpful.

—Could you get home at three o’clock?
—______．The meeting in our company won’t be over at that time．

—She didn’t come to school yesterday, did she ?
—________.though she was not feeling well.

-Would your brother go for a picnic this Sunday7
-If I don't go，____．