Their requirement is that the factory ______(move) out of the city center.
问题描述：
Their requirement is that the factory ______(move) out of the city center.
为什么用be moved
答
这里是相对虚拟语气 表示按照规定 和要求要求怎么样
完整的说法应该是should be moved
should 可以省略 所以填be moved