◎ 题干
—— It's no  easy task to catch a ticket on a website that receives l billion clicks daily.
一一I can’t agree with you more.There      be errors for every single step
A.shouldB.mustC.canD.will
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—— It's no easy task to catch a ticket on a website that receives l billion clicks daily.一一I can’t agree with you more.Therebe errors for every single stepA.…”主要考查了你对  【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。