The room needs ____________ before we move in.

问题描述:

The room needs ____________ before we move in.
A.cleaned
B.cleaning
C.being cleaned
D.to clean

B
need 后接动名词的主动式表被动(习惯),或者不定式的被动式表被动.
再如:
The shoes need washing.
=The shoes need to be washed.