题目内容

Our classroom ________ every afternoon, so it is very clean.


  1. A.
    cleans
  2. B.
    is cleaning
  3. C.
    is cleaned
  4. D.
    is being cleaned
C
主语classroom是被打扫的对象,其谓语动词应用被动语态.又由于是每天发生的事情,故用一般现在时.
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