The classroom is so dirty that it needs( )badly谢谢了,A.clean B.to clean C.being clean D.cleaning

问题描述:

The classroom is so dirty that it needs( )badly谢谢了,
A.clean B.to clean C.being clean D.cleaning

Dneed to do 是需要做某事的意思need doing 是某事需要被做的意思,不需加be动词,直接表示被动含义