首页 › 答案 › 题库 › 继续教育 › 其它

The windows of our office （） every day.

The windows of our office （） every day.
A.is cleaned
B.are cleaned
C.are cleaning
D.is cleaning
正确答案：B

上一条：We watched the plane （） behind the clouds.

下一条：He was（） our age （）the distant past.A.involving…in