has改為was 或者 has后面加been 看情形
中文：最近,一項(xiàng)調(diào)查正在進(jìn)行,以找出有幾個(gè)小時(shí).
Recently a survey has conducted to find out how many hours 改錯(cuò)
Recently a survey has conducted to find out how many hours 改錯(cuò)
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英語人氣：627 ℃時(shí)間：2020-02-05 09:08:16
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