After entering high school, he felt regretful for the time he had wasted playing computer games and studied hard to ________ it.

 —How does he get to work?   —He      a bike.—How long does it       him to get from home to the office?—It           him 20 minutes.

Oh, it’s you! I never ____ meeting here. 

—Mr. Smith, would you have some more ice-cream?—No, thanks. It’s very good, but I have to ______ my weight, you know.

Thank you very much. Your coming has ___ me the trouble of writing you a letter.