精选优质文档-倾情为你奉上大学英语B全国统考真题资料题库第四部分:完型填空(共10小题;每小题1分,满分10分)There were once three sons of a wealthy businessman. _46 they met, the two eldest, who were twins, _47_to quarrel about which of them should be his fathers heir(继承人). The youngest, who was not _48_ambitious(野心勃勃的), took no part in their arguments. As soon as they left home, the father arranged for an adequate income to be provided for _49_of them, but insisted that apart from this they were to be financially self-supp