---Do you know the person our headmaster is talking to.---Yes. I made his _______ at a party.
---May I open the window to let in some fresh air? ---_______(2009.四川)
I don't suppose anyone will agree with you,_______?
Yesterday she sold her bike, _______ she bought a year ago.
There is no light in dormitory. They must have gone to the lecture,_______ ?
Sarah had her washing machine repaired the day before yesterday,_______ she? (2006 .广东)