________theoldhouses,theybuilt

发布时间：2020-07-28 08:25:11

________ the old houses, they built a beautiful garden in that area.A.Pulled downB.Having pulled downC.Pulling downD.To pull down

网友回答

B解析“拆房子(pull down the old houses)”是主语they的动作，且在谓语动词之前发生，故用现在分词的完成时形式。
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