Question

(2005吉林省)

--- How clean and tidy your classroom is!.

--- Thank you. It ________ every day.

[　　]

A．is cleaned

B．was cleaned

C．was cleaning

D．is cleaning

Answer 1

答案：A
解析：

考查動詞的時態(tài)和語態(tài)。it在此指代教室，是動詞clean的承受者，因此用被動語態(tài)，由every day短語可知句子用一般現(xiàn)在時。