He preferred to sit rather than __________

The environment is becoming worse and worse. I think we should do something to ____ people ____ cutting the trees in order to protect the earth.

___________ a sportsman is a hard job, but you are very excited if you are successful in ____________a good medal.

Do you enjoy________ on the weekend?

So far this year, many new houses ________ in Wenchuan with the help of the government.