In developed countries, farm workers _________ only a small section of the population. A. pick up B....
2023-01-23 11:17:34 127次 2012届海南省高二上学期期末考试英语卷（重点班） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
In developed countries, farm workers
_________ only a small section of the population.
A. pick up B. make
up C. hold up D. keep up
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