30. The No. 5 subway line, in October, 2007, has greatly improved the traffic conditions i
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解决时间 2021-04-10 18:36
- 提问者网友：wodetian
- 2021-04-09 18:41
30. The No. 5 subway line, in October, 2007, has greatly improved the traffic conditions in Beijing.
A. opened
B. was opened
C. being opened
D. to be opened
最佳答案
- 五星知识达人网友：轻雾山林
- 2021-04-09 19:26
(答案→)A. openedB. was openedC. being openedD. to be opened解析：可联系答.案.网客服索取。
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- 1楼网友：長槍戰八方
- 2021-04-09 20:57
谢谢回答！！！
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