- 问题详情:ThisisJim.Heisthirteen.HeisfromtheU.S.A.Hehas brownhairandbigears.Hehasagoodfriend.HisnameisJack.Jackisfifteen.Heisfromhasyellowhairandbigeyes.JackistallbutJimisshort.Theyareinthesamegrade,buttheyareindifferentclasses.JimisinClassTwo.Jackisi...
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