阅读短文，根据短文内容和已给出的首字母，在空白处填入适当的单词。
Tom is a student of Hongqi Middle school. He u______to be interested in comics about insects. He often borrowed some because he couldn’t a_______to buy too many comics. Every day he wasted most of his time on these comics and was not patient with h _______in his study.
One day Tom caught an insect at school and c_______lots of trouble. To his s_______, the insect died half an hour later. That night, Tom had a bad dream. He was so t________ of it. Then he went to sleep with his bedroom light o________.
Tom knew it was the insect’s d_______ that terrified him. Also, Tom found it was necessary for him to p______ attention to his daily studies. Only in this way could he forget that insect. In the e______, Tom made a decision to change himself.
Now Tom has become one of the best students in his class.