Homedeliveryoronlineshopping,__

发布时间：2020-07-27 23:01:18

Home delivery or online shopping, ________ to all, makes it available for us to buy various goods conveniently．A.knownB.knowingC.to be knownD.having known

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A解析考查非谓语。known to all的全句为as is known to all．在句中作定语。
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