Thisoldmachine_______theroomwe

发布时间:2020-07-27 18:34:19

This old machine _______ the room wet.A.used to keepB.was used to keepingC.used to keepingD.was used to keep

网友回答

D解析句子主语machine与use是被动关系,后跟动词不定式表示目的。
以上问题属网友观点,不代表本站立场,仅供参考!