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  He must have finished his homework for a long time, _____ he?
A.mustn’tB.didn’tC.needn’tD.hasn’t
D
考查反义疑问句。陈述部分用must + have + V-ed表示推测时问句部分动词用过去时形式,如果强调动作的完成(一般没有明确的过去时间状语),问句要用“haven’t/hasn’t+主语”。根据have finished his homework for a long time可知强调的是动作的完成,故选D。
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