we travelled by night as well as by day.为什么用by at为什么不行

we travelled by night as well as by day.为什么用by at为什么不行 We're safer in a train than we should be if we （travelled）any other way.为什么不是.（travelled）by any other way.为什么不用by? He travelled there by plane如何翻译 They travelled by train 【改为否定句】 状语从句This is the ship where we travelled during the holidays.等价于this is the ship on which we travelled during the holidays为什么是ON WHICH,不是BY WHICH什么的.如何确定使用什么介词?我记得初中时老师经常说by bus I had many interesting e____ when I travelled in africa 2the trailwalker is o___ by oxfam hongI had many interesting e____ when I travelled in africa2the trailwalker is o___ by oxfam hong kong .3,the words that we should pay attention to____(write) o 想问一道英语阅读题,谢谢诶.Last week,I took my four-year-old daughter, Sally,to a childrens party.We travelled by train.Sally has never travelled by train before.She sat near the window and asked a lot of questions.Suddenly, a middle-aged that's the ship we travelled on请问这句话the ship是travelled on的宾语是吗?还有travelled这个词是过去式吗? (1)l saw some young men running in the park.They looken really healthy and_____(act)单词适当形式理(2)we travelled to New York City by air.保持句意we________a__________to New York City理由 Have you ever travelled by plane before?（否定回答） NoHave you ever travelled by plane before?（否定回答）No,I havent.I have_____travelled by plane before. Have you travelled to beijing by train答句是什么用英语来答 Ann has ever travelled to Hainan by piane.改为同义句,怎么改 1 Anna has ever travelled to Haina by plane.(改为同义句） Average distance in miles travelled per person per year,by mode of travel they have all been put to shame by a boy who,while playing truant,travelled 1600 miles.请问为什么是travelled,过去分词形式,我觉得travel和boy是主动关系,应该用travelling然后travelled是非谓语吗, 1.He told us light (travelled) faster than sound when we (paid a visit to )him. That's the ship we travelled on这句话如何拆成两句话? In the past,people travelled ---- Pudong to Puxi --- ferry.A from,take B in,by C from ,byD for,by