【这是一篇短文改错题,一共有十处错误,请帮我找出来,谢谢MybrotherTomwasveryselfishwhenhewasalittleboy.Hedidn'twantsharethingswithotherpeople.Forexample,whenheboughtachocolatecake,heputtheminasecretpl】

　　这是一篇短文改错题,一共有十处错误,请帮我找出来,谢谢

　　MybrotherTomwasveryselfishwhenhewasalittleboy.Hedidn'twantsharethingswithotherpeople.Forexample,whenheboughtachocolatecake,heputtheminasecretplacewhereIcouldn'tfind.thenheeatsitallbyhimself.Heneverhelpedother.Hesaidheisbusy.Thatis,agameoftennismakinghimverybusy.Hedidn'tcareifsomethinghedidmadepeopleangrily.Forinstance,ononenightheplayedstrongandloudlymusicstill4o'clockinthemorning.Butheisdifferencenow.HeoftenhelpsGrandmawithhousework,Momwithcookingandhisclassmateswiththeirlessons.