完形填空Sometimeago,mywifeandItravelledtoSydneytovisitmysis...
问题详情：完形填空Sometimeago,mywifeandItravelledtoSydneytovisitmysister.Wehadtakenmoreclothesthanweneededandstruggledontothetrain.Infrontofus,inafacetofaceseat,__1__sixyoungmenintheirearly20s.Theyw...