.Before 2000 there were no airline ____ the two cities.a.along b.in c.between d.among
问题描述：
.Before 2000 there were no airline ____ the two cities.a.along b.in c.between d.among
答
在两者之间用between airline n.航线 没有航班的意思航班应该是flight 所以只能选between between 特指在两者之间。 in 是代表在什么的里面。
答
C