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  • as a result of the invention of paper,much ___about china is known/are known/was known/ were known

    as a result of the invention of paper,much ___about china is known/are known/was known/ were known
    個人舉得選was known 畢竟造紙術(shù)都是過去的事情了。怎么答案給的是現(xiàn)在時?
    英語人氣:277 ℃時間:2020-04-11 01:57:47
    優(yōu)質(zhì)解答
    因?yàn)槭强陀^事實(shí)、真理所以要用一般現(xiàn)在時.
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