we were travelling across the channel and jane put a piece of paper with her name and address on it into a bottle这里的it是什么意思啊?

we were travelling at a s____of 80 miles and hour we were travelling cross the channel怎么翻译?为什么要用travelling.直接we were crossing the channel My nephew ____ as our guide while we were travelling in London.A.played B.showed C.acted D.performed we were travelling across the channel and jane put a piece of paper with her name and address on it into a bottle这里的it是什么意思啊? ( )We all enjoy _______a train.A.travelling by B.to travel C.travelling on we were travelling across the channel里的trave为什么加ing 这里的 Channel we were travelling across the Channel and Jane put a piece of paper with her name and address on it into a bottle.Channel 在这里是隧道的意思吗 为什么首字母要大写呢 They were travelling at a speed that was double the legal limit.求翻译 if we were a boy A travelling experience作文 翻译we are travelling at a speed of 90 kilometers an hour. when and while1.How fast (did they travel/were they travelling) when their car (had/was having) a puncture?2.A police car (passed/was passing) us on the motorway when we (did/were doing) 80 miles per hour.3.He (didn't like/wasn't liking) the photo wh travelling travelling travelling travelling 新概念第二册22课句子成分分析不会句子成分分析 .附原文：NCE Book2 Lesson 22 A Glass EnvelopeMy daughter,Jane,never dreamed of receiving a letter from a girl of her own age in Holland.Last year,we were travelling across the Chan we were caught in a heavy rain.