Don’t believe him. He is __ again.
--- Time passes quickly, doesn’t it? --- Yes. It will be only two months_______we take the 2010 College Entrance Examination.
Children in the countryside can receive education ________ free since last year.
--- I can’t find Xiao Ping. Where did you see him this morning?--- In the reading room _________ he often studies in.
I regret _________ going on a holiday to France because of the bad weather last week.
All __________ can be done has been done.