At the computer operation test, one is supposed to stay at his own machine, keep his eyes on his screen, ______ to anyone.
A．and not to speak
B．but could not speak
C．instead of speaking
D．or rather speak
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◎ 解析
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◎ 知识点
根据n多题专家分析，试题“At the computer operation test, one is supposed to stay at his own machine, keep his eyes on his screen, ______ to anyone.A．and not to speakB．but could not spea…”主要考查了你对 【现在分词的被动式】，【现在分词】，【不定式的被动式】，【过去分词】 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。
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