单项选择题

How long did the research project take

A. One year
B. Two years
C. Three years
D. Five years
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Who is being introduced
A. A local company owner
B. A university student
C. A famous professor
D. A talk show host
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What will the company do on July 10th
A. Conduct a marketing survey
B. Close a production plant
C. Hire a new marketing manager
D. Release a new product
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