精英家教網 > 初中英語 > 題目詳情
—Why is the classroom so dirty?
—Sorry,sir. It       yesterday, We forgot to do it.
A.doesn’t cleanB.didn’t clean
C.isn’t cleanedD.wasn’t cleaned
D

試題分析:句意:教室為什么這么臟?——抱歉,老師。昨天沒有打掃,我們忘記做了。結合語境可知下文描述的是過去的狀態(tài),故用一般過去時態(tài),主語是動作對象,故用被動語態(tài)。選D。
點評:英語中的時態(tài)主要是借助于時間狀語與上下文語境來進行判斷。解答此類題型,首先要注意句子中的時間狀語,如果沒有則要通過分析上下文,結合語境來判斷句子的時態(tài)。語態(tài)的判斷主要是確定句子主語與謂語動詞的關系。如果是主動關系則用主動語態(tài),反之如果是動賓關系,則用被動語態(tài)。
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