They must have gotten to the top of the mountain by now. They_____ before the sun rose.
He was thought to be the No. 1 in the competition, but_______ ,he was not among the winners at all.
You must have made the mistake,_______?
---Do you mind my opening the window? It's a bit hot in here.---_______, as a matter of fact.(2009 .全国Ⅱ)A. Go aheadB. Yes,my pleasureB. Yes,my pleasureD. Come on
---I wonder if I could possibly use your car for tonight.---_______I'm not using it anyhow,(2006.全国工)
---Could you be so kind as to close the window?--- _______ (2009.安徽)