There six countries in SCO(上合组织) at first, but now the number has increased to eight. A. is B. are C...
2022-10-20 06:30:13 32次 2018年山东省东营市中考英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
There six countries in SCO(上合组织) at first, but now the number has increased to eight.
A. is B. are C. were D. will be
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