选择题：__________ how to operate a switchboard, I had to

题目分类：河南财经政法大学-工商管理-综合英语
题目类型：选择题
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题目内容：

__________ how to operate a switchboard, I had to ask the office supervisor to show me the correct procedures. A Not known
B Not to know
C Not knowing
D Having not known

参考答案：

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She _______ collecting stamps very much.A likesB lovesC enjoysD longsE looks lik

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操作系统作业管理的主要功能是( )

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分类：河南财经政法大学-工商管理-综合英语题型：选择题

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