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¡¡¡¡Part ¢ò Vocabulary & Structure
¡¡¡¡Section A ´ð°¸£º£¨CBCAD,DBDAB£©
¡¡¡¡16. We will have to pay them a large _C_____ of money for their service.
¡¡¡¡A. size B. set C. amount D. series
¡¡¡¡17. I’d appreciate it if you could tell me how _B____ the machine.
¡¡¡¡A. operate B. to operate C. operating D. operated