After he finished washing his clothes ,he went on ______ the room .

问题描述:

After he finished washing his clothes ,he went on ______ the room .
A.cleaning B.to clean C.cleaned D.with cleaning

go on to do继续做另一件事
go on doing继续做同一件事
分析:之前是wash his clothes ,后面是clean the room
说明是不同的事
用go on to do
综上,选B