His grandfather and grandmother_____Chongqing for 40 years. They like living there.

It wasn’t until dark _________ he found _________ he thought was the correct way to solve the problem.

Jack won the first place in the writing competition.—_______. He had prepared for it for a long time.

The classroom is ________ for fiftystudents.

Are you still thinking about yesterday’s football match against Class 25? — Oh, that’s _________.