His room needs ____,so he will have someone ____ it.

问题描述:

His room needs ____,so he will have someone ____ it.
A.to whitewash; whitewashing B.whitewashing; whitewash
C.whitewash; whitewash D.to be whitewashed; whitewashed
D为什么不对?

need doing ,什么,需要被做,这个表示被动噢!他的房间需要被清洗,所以第一空用ing !
have sb do .让某人做.这是固定的!
所以选B噢.