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單項(xiàng)選擇題

Professor White contributed a lot to our community,（）

A.teaching, writing, and lecturing
B.teaching, writing, and a lecturer
C.a teacher, a writer, and lecturing
D.teaching, lecturing, and a writer

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Professor Smith promised to look（）my paper, that is, to read it carefully before the thesis defense.

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Pleased to meet you! ―（）

A.Pleased to meet you ,too.
B.How do you do?
C.I've heard about you.
D.The pleasure is mine

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