speedtrains的精选

问题详情：请阅读下面短文，从每小题所给的A、B、C三个选项中，选出一个最佳选项High-speedtrains,Alipay（支付宝）,sharedbikesandonlinepaymentareseenasthenewFourGreatAchievementsofChinabyyoungforeigners,accordingtoav...

问题详情： High-speedtrains_____ustimewhileallowingustoenjoythesceneryalongtheway.A.kill                           B.save                   C.cost    ...