- 问题详情:JeffandJohnaregoodfriends.Theyarefromdifferentcountries(国家).TheyarenowinChina.Theyareinthesameclass.Jeffistwelve,butJohniseleven.JeffisfromtheU.S.A.andJohnisfromEngland.TheybothspeakEnglish.Jeffusuallygoestoschoolonfoot.Johnusuallygoestosch...
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