The nose is important for everyone. It can help a person breathe and smell. In fact,it can also be used in many popular expressions.
Some people can lead other people by the nose. For example, if a wife leads her husband by the nose, she can ask him to do whatever she wants him to do.
Some people are said to be hard--nosed. They will not change their opinions of anything.
If some people keep their noses out of other people’s business, they do not interfere
(     ) in anything that has nothing to do with them. The opposite kind of people are those who nose around all the time. They are interested in other people’s personal life.
If someone works hard, he can keep his nose clean or stay out of trouble. How ever, more problems will be caused if a person looks down his nose at others or some things. He thinks they are unimportant. This kind of person might also turn up his nose at anything that he doesn’t consider good enough. He thinks he is better than anyone else.
At school, some students thumb their noses at their teacher. They refuse to follow what their teacher says or do any work. Of course, it is not right for students to do like this.
根据材料内容，从下面方框中选出恰当的短语完成下面五个小题，使句子通顺、意思完整。每个短语限用一次。

A. be hard—nosed     B. nose around     C. keep his nose clean D. turns up his nose     E. thumb their noses

小题1: I don’t want to make friends with David because he always       
小题2: Maggie likes to talk about others and      
小题3:My brother used to       , but now he can listen to others’ advice.
小题4: Bob and Andy usually        at their parents.
小题5:Michael works hard all the time, so he can