there are no l_____in this building.Let's walk to the 8th floor.首字母填空

问题描述:

there are no l_____in this building.Let's walk to the 8th floor.首字母填空

lifts 电梯那为什么答案是lift单数?是不是答案错了?不应该是单数,因为动词是are,故应该用复数