Our headmaster told us that our classroom was so dirty that

学习 时间:2026-03-30 11:48:21 阅读:6264
Our headmaster told us that our classroom was so dirty that it must__clean.A keep B be kept C been kept

最佳回答

无聊的宝马

勤奋的西牛

2026-03-30 11:48:21

选B
首先被动语态,排除A
其次,must是情态动词,其后要跟动词原形

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  • 哭泣的小刺猬
    回复
    2026-03-30 11:48:21

    选B首先被动语态,排除A其次,must是情态动词,其后要跟动词原形

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