Claire Jackson is a 16-year-old student who is studing （ studying） in a high school.He is a good student because he not only is good at study,especially in （at) English and math,but also like （ likes ) helping others at ( in ) study.And what surprises everyone is (加 that )he is disabled.He has not ( no ) left arm,that （ which） ofen makes him happy （unhappy）and depressed.He always attracts many （ much ）attention form others （ other） students.And sometime （ sometimes ) he hears some impolite words like "ugly".So he hopes that one day will come when no word like “ugly” is used on him.
注,括号里的词除一个添加外,其他都是替换前面一个词.