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题目内容
(兰州大学-大学英语3)
(4分)__of the population here are peasants.
A. 20 percents
B. 20 percent
C. the 20 percent
D. the 20 percents
A. 20 percents
B. 20 percent
C. the 20 percent
D. the 20 percents
参考答案

