◎ 题干
A computer can only do _____ you have instructed it to do.
[     ]
A. how
B. after
C. what
D. when
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“A computer can only do_____ you have instructed it to do. [ ]A. howB. after C. what D. when …”主要考查了你对  【连接代词】【宾语从句】  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。