--I usually travel by train.

问题描述:

--I usually travel by train.
--Why not ___by plane for a change.
A.to try going B.trying to go C.to try and go D.try going
我知道答案是B.
但是能帮我分析一下原因么?

固定搭配啊!Why not + doing sth. & try to do sth.译文:~我通常乘火车旅行.~为什么不尝试乘一次飞机呢?