问题描述：
ought to 的反义疑问句是什么,求指教〜
He ought to dismiss the unqualified employees under his supervision , ____?应该填shouldn't he 还是oughtn't he ? 以及原因是什么?谢谢啦
He ought to dismiss the unqualified employees under his supervision , ____?应该填shouldn't he 还是oughtn't he ? 以及原因是什么?谢谢啦
问题解答：
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