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[听力原文] The Internet is a worldwide communication network tha......

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He ought to attend the meeting, ______
A．should he
B．ought he
C．shouldn’t he
D．oughtn’t he
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In some eases, your instructor may tell you the topics ______ or may give you a choice of top. les to write about.
A．in advance
B．ahead of
C．above all
D．right away
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