Once,thefamousscientistEinsteintravelledtomanyplacesinA...
问题详情:Once,thefamousscientistEinsteintravelledtomanyplacesinAmericatogivelectures.Hetravelledina__26__,andsoonmadefriendswithhisdriver.EachtimeEinsteingavethelecture,hisdriver__27__satinthefrontrowa...