What he says and does 这是个主语从句，谓语动词得用单数 each作为形容词，修饰单数名词，接单数动词。
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what he says and does
他说的和做的
以上为机器翻译结果，长、整句建议使用 人工翻译 。
He is always accurate in what he says and does.
他说的和做的总是准确无误。
youdao
他说的和做的总是正确无误。
As a bigwig in the locality, Mr. Zhang has to be careful in what he says and does.
作为当地的一个大人物，张先生不得不时刻注意自己的言行。
But all that is left of his livestock now are 25 goats and when they are gone, Ahmed says he does not know what he will do.
VOA: standard.2009.10.06
How long his critics' good cheer lasts will depend on what he says and does before taking power on February 2nd.
ECONOMIST: A message from the people | The
You just have to closely listen to what he says and watch what he does.
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He has shown, in office, that he is by and large a man who does what he says.
ECONOMIST: Greece
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