He traveled to many mountain villages and saw many poor children out of school. This experience _______ his life.
We are living in an age _______ many things are done on computers.
_______ breaks the law should be punished .
Love is ______ way of life,but not _____ aim of it.
--- Must I stay at home, Mum? --- No, you_____
--- I’m going to Yulong Snow Mountain tomorrow? --- ----------