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问题 选择题

He has already ordered ________ for his new house.[ ]

A．several furnitures

B．several pieces of furnitures

C．several pieces of furniture

D．several furniture pieces

答案

答案：C

选择题

—What vegetables do you like?

—I like _____.[ ]

A. hamburgers

B. oranges

C. eggs

D. broccoli

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填空题

焦油加工的主要任务是获得酚、萘、蒽等纯产品和（）等粗产品。
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