In order to____ a good knowledge of French, he gave up his favorite job and set off for France.
Some people try to knock me down, only ________ me more determined to do things better.
________ in the bank robbery, Tod was arrested by the local police early in the morning.
________ all the homework assigned by the school, the students have to work at it till midnight.
________ in the countryside made Mr. Wilson very hardworking when he was very young.
—The cars give off a great deal of waste gas in the streets.—Yes. But I'm sure something will be done to ________ air pollution.