Peter is my close friend, who can be ________ what he promises.A. relied on to do B. relied to doC. relied on doing C. relying to doing
_______ that he might lose his job, Peter always works extra hours to please his boss.
—Why are you so depressed? —I _____ my MP4 player on the bus.
Tired and disappointed, the rescue team finally reached _____ used to be a village.
Noise is unpleasant, _____ when you are trying to sleep.
So hard-working _____ that he sets a good example to all the other classmates.