I am used to travelling by air.语法

I am used to travelling by air.语法 I am used to travelling by air.I am_______to it. I am used to travelling by air and only on one o I am used to travelling by air and only on one occasion have 关于英语语法的问题,I am used to travelling by air and only on one occ I am used to traveling by air and only on one occasion have 英文改句 I am used to traveling by air.(改为否定句)They haven’t decid I used to travel by air a great deal travelling by air Travelling by air.. I am travelling down by the riverside 1.I hate travelling by air ( ) you u