语法填空
阅读下面的短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式（每空不多于3个词）。
We are very glad that Alan has made great progress. He used to _______ late for school. And he didn’t listen________ (careful) in class. After school, he liked ________ (play)computer games and watching TV. He didn’t do homework, ___________. He caused a lot of trouble. His mother really____________ about him and didn’t know how __________ (deal) with the problems. Michael is his friend who is good_________ schoolwork. He helps him a lot with his lessons. And he also encourages him to regard(看作) the problems as challenges. With Michael’s __________, Alan has become___________ (interest) in study and he works very hard. Besides, he gets on well with his classmates. His parents and teachers take ____________ (proud) in him.