Peace is not just the absence of conflict; peace is the creation of an environment where all can flourish, ______ race, religion, gender, or any social makers of difference.

Sometimes I feel like going to the countryside to _______ the noise, the dirt and the people.

Before an exam, I always ________ my notebook.

________ is known to everybody, Taiwan is a part of China. We must unify it.

________hard you try，it is difficult to lose weight without cutting down the amount you eat(2012·湖南，32)