The open-air celebration has been put off __________ the bad weather.

__________ win the most gold medals in the 2012 Olympic Games, the Chinese athletes are busy training.

Prices are always rising these days. Up to now, the petrol price _______ 20%.

For some students, the computer serves only _____ a tool that is used to play games.

He was educated at the local high school, ______ he went on to Beijing University.

Carol said that the work would be well done by the end of October, ________ personally I wondered completely.

I apologize ___ you ____ my impoliteness.

Graduation is a good time to thank those who have helped you ______ the tough years.

________ my surprise, ________ I could have a word with him, he left.

It was because it had been raining for several days, leading to a flood over the fields and the villages that many people fell _______ without foods and shelters.