相关Havingbeenwalkingint的文学知识

问题详情：Havingbeenwalkinginthesnowfor2hours,LittleBuddywasreallytiredandfrustrated.Thewayhomeseemed___21___,eachstepastruggle.ForfalleverylittledistancethatBuddygained,heseemedtofallbackevenfurther,pu...