—Look! What a nice classroom! — Yes it every day.A. is cleaningB. has cleaned C. is cle

问题补充：

—Look! What a nice classroom! — Yes, it every day.

A. is cleaningB. has cleaned C. is cleaned

答案：

解析：句意：看，教室真好！是的，每天都打扫。everyday提示是一般现在时, it指教室，和clean是被动关系，所以用一般现在时的被动形式。故选C。

考点: 考查动词时态的用法。