“木无本必枯,水无源必竭。”某市政府广开言路,首创了“信访民主听证评议制”。通过体察民情、了解民意,该市决定不建大广场大工程,而是投资400万元治理小街小巷,大大改善了群众的生活环境,得到了群众的广泛拥护。以“木无本必枯,水无源必竭”来比喻政府与群众的关系,说明 ( )
________from heart trouble for years, Professor White has to take some medicine with him wherever he goes.
________, the boy couldn't enter his house.
Time________, I can have done it better.
_______the exam, the boy was punished by his father.
________hard before, Tom is afraid of failing in the exam.