The digital travel code（行程碼） ________ played a great role in fighting against COVID-19 ended its service around China on December 13，2022.（　?。?/h1>

A．that

B．who

C．what

【答案】A

【解答】

【點(diǎn)評】

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發(fā)布：2024/5/27 14:0:0組卷：8引用：1難度：0.7

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The digital travel code（行程碼） ________ played a great role in fighting against COVID-19 ended its service around China on December 13，2022.（ ?。?/h1>