根据短文内容和所给中文提示，写出空白处各单词的正确形式。每空限填一词。
I am a middle school student. I used to ____ (花费)too much time chatting on line at night. The next day, I often felt. ___(困倦的) in class, and I couldn’t .__ __(重复) correctly what the teachers tell me. I couldn’t ____(完成，应付) my homework.. And my mother always ____(警告) me of the importance of my schoolwork. At ____ (现在)  I have realized that it’s silly of me to do that. I listen carefully in class every day. At night I read some books after finishing the homework to be knowledgeable. I’m not so____(讨厌的) as before. I have good grades now. I’m the ____(统治者，主宰) of myself. I have won the ___(战争) against my laziness. I’m no longer a ___(傻瓜) , which once worried my parents a lot in the past.