改错:Neither the old lady nor her cats stepped out of the house since her husband passed away last month. ________________________________________________________________________
答案:stepped前加have 句意:自从上个月那个老妇人的丈夫去世后,她和她的猫就没有出过屋子。根据就近原则,本句谓语动词应与her cats保持一致,用复数形式;由后面的since从句可知,主句应用现在完成时。