a few minutes later, i ----at the door and an old man-----it

学习时间:2026-11-12 18:26:57 阅读：7388

a few minutes later, i ____at the door and an old man_____it.A.knocks ;opening B.knocked ;openedC.knock ;open D.knocking ;opening

醉熏的小丸子

2026-11-12 18:26:57

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答案：BI 后跟谓语动词,排除 D,而 and 连接的并列句左右时态要保持一致,所以都用一般过去时 knocked,opened不明白的再问哟,请及时采纳,多谢!