The aim of education is to teach young people to think for themselves and not follow others ______ .

Alice is stubborn, as you know. She trusts you and only you can ____ her to give up the foolish idea.

Peter ________ be really difficult at times even though he's a nice person in general.

There are varieties of programs in the TV station to ________ many different types of interests and tastes among the public. 

(2013·北京高考)Volunteering gives you a chance ________ lives, including your own.