9．George _________ too far．His coffee is still warm．（　�。�
A．must have goneB．might have gone
C．can't have goneD．needn't have gone

分析 喬治不可能走很遠．他的咖啡還是熱的．

解答 答案：C．
can't have done是對過去事實的否定推測；must have done是對過去事實的肯定推測，即過去一定做了某事；might have done過去可能做了某事；needn't have done過去本不必做某事．根據(jù)后面一句His coffee is still warm可以推出George應(yīng)該走不遠；故選C．

點評 對于情態(tài)動詞和虛擬語氣的考查一定要分清是對什么時間的事實進行的推測，語氣的強硬程度要估算準(zhǔn)確．

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