【单选题】When I go back my mother ’ s home in Zhengzhou, I will take the subway. At first, I should take Line 1 ______(in, on) the direction of Henan Industrial College, and then change Line 2 at Zi Jingshan S...
【简答题】Announcement 1 Dear passengers, thank you for taking train G802 from Zhengzhou to Beijing. During the trip, if you have some trouble, please 1) with the 2) or the on duty police officer on the train ,...