There was something wrong with the network, or the email ________ earlier.
A．could have been sent
B．might be sent
C．need have been sent
D．must be sent
◎ 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“ There was something wrong with the network, or the email ________ earlier.A．could have been sentB．might be sentC．need have been sentD．must be sent…”主要考查了你对 【虚拟语气】，【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。
◎ 相似题
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