问题
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_____ a teacher in a university, it is necessary
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After he left the university, he became a teacher, but later he ______ tojournalism.
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________ a teacher in a university it is necessary to have at least a master’s deg
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“Publish or ________” is a very popular phrase among university teachers.
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Mary ______ in a bank.Her parents ______ in a university.
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The teachers in our university has a ______ of backgrounds.