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500字范文 > He must have finished his homework for a long time he?A. mustn’tB. didn’tC. needn’tD. h

He must have finished his homework for a long time he?A. mustn’tB. didn’tC. needn’tD. h

时间:2019-05-26 06:22:00

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He must have finished his homework for a long time   he?A. mustn’tB. didn’tC. needn’tD. h

问题补充:

He must have finished his homework for a long time, he?

A. mustn’t

B. didn’t

C. needn’t

D. hasn’t

答案:

A. mustn’t

B. didn’t

C. needn’t

(答案→)D. hasn’t

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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