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Why don't you speak?
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what ãwho ãwhose ãwhich ãwhen ãwhere ãhow ãwhyçã
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why
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used in questions to ask the reason for or purpose of sth ï¼ç¨äºé®å¥ï¼ä¸ºä»ä¹ï¼ä¸ºä½
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Why were you late?
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Tell me why you did it.
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speak
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[åç¬ä½¿ç¨çå¨è¯] to use your voice to say sth 说è¯ï¼è®²è¯
He can't speak because of a throat infection.
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Please speak more slowly.
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