The education program ________ combining brain work with manual labor is being widely spread throughout the country.

I regret ________ that you have failed the exam, but what you should do now is not to regret ______ so much time but to seize every moment from now on. [ ]

My father bought a new bike for me yesterday. It’s a structure of__________.

I’ve tried very hard to improve my English. Butby no means _____ with my progress.

Why would some workers in Foxcon die __________continue working in the factory —Psychologists say they are under toomuch pressure.