Johniseightyearsold,andheisaveryfunnyboy.Heworkshard,so...
问题详情：Johniseightyearsold,andheisaveryfunnyboy.Heworkshard,soheisgoodathissubjects.Andhisteachersandparentslikehimverymuch.Buthehasaverybighead.Lastyear,hespenttendaysathisuncle’shomeonsummerholida...