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He vowed that he would never do that again.
他发誓绝不再作那样的事。
vow表示发誓。可在vow后加that引导出发誓的内容,也可用vow to do something。上句可写成:
He vowed never to do that again.He vowed to do his best to win the game.他誓言要全力以赴赢得比赛。
编辑:蒋健棠-----