专题2 动词的时态和语态及情态动词_17
（2016·浙江）15. Had the governments and scientists not worked together , AIDS-related deaths _______ since their highest in 2005.A．had not fallenB．would not fallC．did not fallD．would not have fallen
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（2016·浙江）15. Had the governments and scientists not worked together , AIDS-related deaths _______ since their highest in 2005.A．had not fallenB．would not fallC．did not fallD．would not have fallen