- 问题详情:Mr.Perkinstandsatthebusstopandwatchesthecarsgoby.ManyofthecarsareBeta400s,andmostofthemareyellow.Mr.Perkinlikestodowhatotherpeopledo.SothefollowingweekhebuysanewyellowBeta400s.Helikesitverymuchanddoesn’tliketheoldredoneanymore.ThismorningMr....
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