the old man must()politely A.be spoken B.speak C.be spoken t

学习时间:2026-04-01 10:28:14 阅读：319

the old man must()politely A.be spoken B.speak C.be spoken to D.be spoken

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2026-04-01 10:28:14

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C。be spoken to此句是用被动语态表达如下一样的意思：You（One） must speak to the old man politely。你（或任何一个人）和长者说话时必须有礼貌。