Our room must __clean.A.keepB.be keptC.to be kept D.to keep

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/11 17:11:14
Ourroommust__clean.A.keepB.bekeptC.tobekeptD.tokeepOurroommust__clean.A.keepB.bekeptC.tobekeptD.toke

Our room must __clean.A.keepB.be keptC.to be kept D.to keep
Our room must __clean.
A.keep
B.be kept
C.to be kept
D.to keep

Our room must __clean.A.keepB.be keptC.to be kept D.to keep
B
must 后面是接动词的,所以A、B里面选
room保持干净是被动形式,所以选B咯