2. [2014 '重慶卷]It was John who broke the window.  Why are you talking to me as if I    it?

A. had done    B.  have done

C. did       D.  am doing

2.    A 4查虛擬語氣。as if后的句子若表示與事實(shí)相反，需要用虛擬語氣。根據(jù)前一句中謂語動(dòng)詞用一般過去時(shí)可知，as if后的句子表示的是與過去事實(shí)相反的假設(shè)，用過去完成時(shí)。故選A。

題目來源：2015全品語法快練高中英語新課標(biāo) > 訓(xùn)練29動(dòng)詞變化類綜合訓(xùn)練

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C

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