- 問題詳情:Mr.GreywasthemanagerofasmallofficeinLondon.Helivedinthecountry,andcameuptoworkbytrain.Helikedwalkingfromthestationtohisofficeunlessitwasraining,becauseitgavehimsomeexercise.Onemorninghewaswalkingalongthestreetwhenastrangerstoppedhimandsaidtoh...
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