(2013·江蘇南通市二模)We ________ have hurried all the way to the airport — the flight was called off because of the foggy weather.
A．mustn'tB．couldn't
C．needn't D．wouldn't
C
選C　考查情態(tài)動詞。句意：我們本不必一路上都著急去機場的——航班因為大霧天氣被取消了。needn't have done表示“本不必做卻做了”，符合句意。
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