It's your job to keep the street_____.A.cleaning B.clean c.to clean d.cleans为什么?

分类: 作业答案 • 2021-12-20 03:19:17

问题描述：

It's your job to keep the street_____.
A.cleaning B.clean c.to clean d.cleans
为什么?

答

B
keep sth adj.是固定用法,一定用形容词