The confidence of the Chinese film makers _______by Avatar, the release of______ has not only set a good example for the Chinese film industry but also embarrassed our directors, who lack professional ethics. 

  —I think everyone has a role to play in making the planet a better place.—Yes, indeed. ______.

The best job is _____which uses your skill in doing something together with your interest in the subject. 

There were signs here and there, _____ visitors to look out for ______ rocks.

—Shall we go out for a walk?—Sorry. This is not the right ____ to invite me. I am too tired to walk.