his homework, he went out to play.A. Having doneB. DoneC. He has doneD. He had done

发布时间：2020-08-17 14:12:41

     his homework, he went out to play.
A. Having done
B. Done
C. He has done
D. He had done

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(答案→)A. Having done
B. Done
C. He has done
D. He had done
解析： having done是现在分词的完成式，表示动作完成。
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