阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

It is natural that young people are often _　（comfort） when they are with their parents.

They say that their parents don’t understand them. They often think that their parents are out of touch with modern ways, _　  they are too serious and too strict with their children, and that they seldom give their children a free hand.

Parents often find _　difficult to win their children’s trust and they always forget how they themselves felt when young.

Young people like to act without much thinking. It is one of their ways to show that they have grown up and they can face any difficult situation. Adults worry _　（much） easily. Most of them plan things ahead.

Young people make their parents angry with their _　（choose） in clothes, in entertainment and in music. But they do not mean to cause any trouble: It just shows that they feel cut off _　the adult’s world, and they have not yet been accepted into their world. That’s why young people want to make a new culture of  _　own. And if their parents do not like their music or entertainment or clothes or their way of speech, this will make the young people very happy.

Sometimes you are so proud of yourself that you do not want your parents to say “yes” to what you do. All you want is  _　（leave） alone and do what you like. It is natural enough, after _　（be）a child for so many years, when you were completely under your parents’ control.

If you plan to control your life, you’d better win your parents. If your parents see that you have _　  high sense of responsibility, they will give you the right to do what you want to do.