Over fifty countries _______ the AIIB(亚投行) so far. A. joined B. was joining C. had joined D. have jo...
2022-11-03 21:46:54 63次 冀教版九年级全册Unit 9 Communication单元检测英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Over fifty countries _______ the AIIB(亚投行) so far.
A. joined B. was joining
C. had joined D. have joined
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