楼上说用复数的不知道别乱讲好伐,误人子弟
应该先根据more than就近原则,就是说如果more than后面是one就用单数
后面是two,three.就用复数
看到后面是one 所以是单数
再根据语境和时态可选填is asked或 has been asked或 had been asked 或will be asked