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题型:单选题 题类:模拟题 难易度:普通

贵州省安顺市2017年九年级英语毕业模拟考试试卷(四)

—It's reported that Nanjing Metro Line 3 was in service __________ April 1,2015.

—What _________ exciting news! I believe the public transport system of Nanjing will be much better.

A、on; / B、on ; an C、in; an D、in; /
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