句中动词是has,两个主语The number of road accidents and the deaths为何动词用单数?The number of road accidents and the deaths arising from
问题描述：
句中动词是has,两个主语The number of road accidents and the deaths为何动词用单数?The number of road accidents and the deaths arising from those accidents has increased over the past year.
答
主语是the number,所以用动词单数.