He must have finished his homework for a long time, _____ he?A．mustn’tB．didn’t
题型：不详难度：来源：
He must have finished his homework for a long time, _____ he?| A．mustn’t | B．didn’t | C．needn’t | D．hasn’t |
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答案
| D |
解析
| 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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