People on the grassland of is now Kazakstan were the first to achieve both riding and milking horses...
2022-12-17 00:00:53 18次 2012-2013学年山西省高三第八次模拟考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
People on the grassland of is
now Kazakstan were the first to achieve both riding and milking horses．
A．where B．which C．what D．as
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