问题
选择题
We were finally able to make the customers _______ of the quality of the refrigerator. [ ]
A. to convince
B. convincing
C. convince
D. convinced
答案
答案：D
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We were finally able to make the customers _______ of the quality of the refrigerator. [ ]
A. to convince
B. convincing
C. convince
D. convinced
答案：D