We must _________ from old convention(传统)and adopt as many modern techniques as possible.
Playing computer games ______ much of his time.
Our teachers often suggest we ______ take it easy when facing any difficulty.
Tom won the game, ______ was really beyond his wildest dream.
Just wait here, ______ you can hang around for a while. Your turn is half an hour away.
______ Mr. Li is now waiting for you on ______ first floor.