Question

— Your classroom looks bright and tidy.
— It        after school every day.

A．cleans

B．cleaned

C．is cleaned

D．was cleaned

Answer 1

C

考查情景交际和被动语态。“你们的教室看起来既明亮又整洁。”“它每天放学都被打扫。”被动语态的构成是am/is/are done sth.，every day“每天”，常与一般现在时连用。故被动语态用is。故选C。