用括号内所给单词的适当形式填空。(5分)
To tell the _______, I didn’t like the job very much at the beginning. (true)
Everyone should try to be polite and _______ to others. (help)
After the football game, he was too ______ to sleep. (exciting)
These years, young         are so crazy about GuoJingming’s books. (read)
In Changchun there’re around _______ students in a middle school class. (five)