Don't push.We should get on the bus_________.A.by turnB.to turnC.in turnD.at turn
问题描述：
Don't push.We should get on the bus_________.A.by turnB.to turnC.in turnD.at turn
答
C
in turn ：依次,排队
译文：别挤.我们应该排队上车.
get on 上车
get off 下车