why not()by boat for a chance,为什么不能填 to try going呢?这个句子的主语是boat吗?

Why not try going by boat for a change?中的try为什么不用to try ——I usually go there by train.——Why not try____（go）by boat for a change. why not()by boat for a chance,为什么不能填 to try going呢?这个句子的主语是boat吗? ---I usually go there by train.---Why not _____---I usually go there by train.--- Why not _________ by boat for a change?A.to try going B.try to go C.to try and go D.try going 5. ---- I usually go there by train. A ---- Why not ___ by boat for a change? A. to try going 选什么,为什么5. ---- I usually go there by train. ---- Why not ___ by boat for a change? A. to try going B. trying to go C. to try and go -I usually go there by train -Why not try going bu boat for a____?A fun B change C rest D chance why not _ by boat for a changeA to try going B trying to go C try going D to try and go额额，好多答案呀？ 22.why not ___ by boat for a change?a.to try goingb.trying to goc.try going选什么,怎么分析的? 5.---- I usually go there by train.---- Why not ___ by boat for a change?A.to try going B.trying to go C.to try and go D.try goingD 为什么不对? I usually go back my hometown by train.Why not -------by boat for a change?A to try going B trying to go Cto try and go Dtry going i usually go there by train,why not __by boat for a change?A to try going B trying to go C to try and go D try going 该如何来选了?为什么?谢谢了! 七、单项填空.（ ）1.—I usually go there by train .—Why not by boat for a change A.to try going B.trying to go C.to try and go D.try going （ ）2.Paul doesn't have to be made .He always works hard .A.learn B.to learn C.learned D.learning 请帮忙回答这题,并请告知选这个答案的原因,I usually go there by boat. Why not _____ by train for a change?A.try going B.to try going C.trying to go D.to try and go 关于不定式的选择题,---- I usually go there by train.---- Why not ___ by boat for a change?A.to try going B.trying to go C.to try and go D.try going 我选A但是错的.正确答案是D,这里不是应该用不定式么,就是有to的.另外 why not ___money by youself for your 8th birthday present ?A.save B.make boat,boat,go by boat的意思 --I usually go there by bus.---Why not _______--I usually go there by bus.---Why not ________ by train for a change?A.to try going B.tyring to go C.to try and go D.try going He did not win the race because another boat interfered by turning in front of his boat.