threeyearsagoIthasbe的精选

问题详情：Thepoordogthreeyearsago.Ithasbeenforthreeyears.；died g；dead；dead ；died【回答】C点拨：本题用寻找题眼法。由threeyearsago可知，句中的动词应用过去式，排除A、B选项。由forthreeyears可知，句中的动词应用延续*动...