题目
-Our classroom ____ every day.
-So it is.It's our duty to keep it clean.( )
A.
cleans
B.
is cleaning
C.
cleaned
D.
is cleaned
知识点:语态的辨析章节:句法 / 被动语态
-Our classroom ____ every day.
-So it is.It's our duty to keep it clean.( )
cleans
is cleaning
cleaned
is cleaned
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