It's said that Chongqing Metro Line 9 into operation recently. A.is put B.will be put C.has been put...
2022-05-29 09:40:14 77次 2020年重庆市北碚区九年级适应性考试英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
It's said that Chongqing Metro Line 9 into operation recently.
A.is put B.will be put C.has been put D.has put
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