根据短文内容，用方框中所给单词的适当形式填空，每词限用一次。

if    advice     bad     get      advice

Young people may have problems in their daily life. Some students become worried because they have to study very hard. Others have trouble   on well with their parents and classmates.
Liu Xing, a Junior 2 student, could not understand his teacher and was doing    in his lessons. He became so worried about it that he started to    his finger with a knife.
A recent report says about 18% of teenagers have mental(心理的) problems. Many students who have problems won’t go for or help. Some think they look silly    they go to see a doctor. Others don’t want to talk about their secrets.