The room requires being cleaned.

问题描述:

The room requires being cleaned.
为什么要把being cleaned改为cleaning 或to be cleaned

习惯上require 要接【v-ing 形式的主动式表被动,或是不定式的被动式】.如:这花要浇水了1 The flowers require watering.2.The flowers require to be watered类似的词还有:need (=want"需要“); deserve很高兴...