题目内容
13.-Your bedroom is so clean.--Of course.It ____ every day( )
| A. | cleans | B. | cleaned | C. | is cleaned | D. | was cleaned |
分析 ---你的卧室是如此的干净.
---当然,每天都打扫.
解答 答案:C.主语it是动词clean的承受者.结合every day可知表达的是经常性的动作,故用一般现在时的被动语态be+过去分词,主语it,故is,故答案是C.
点评 .被动语态由"助动词be+及物动词的过去分词"构成.被动语态的时态变化只改变be的形式,过去分词部分不变.疑问式和否定式的变化也如此.
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