Mandela, devoted all his life to the freedom of South African Blacks, is a real fighter for us to ________.

Today’s ceremony ____ 60 years’ development ofEducation in this key high school

Does your father still smoke—No, he has succeeded in_____ smoking for three years.

Parents should be aware that communication between parents and their children is important, _____ their heavy work loads[ ]

I’m ____your class today so you must do ____ I tell you