by the air or by air如题,哪个对?

by the air or by air如题,哪个对? will you travel by sea or by air的意思! (with air /in air /by air ./through air) by air造句 by air是什么意思 By air 合适么? we are often()by colors,weather or the air temperatureaffected,moved,effected,removed应该选哪一个? will you travel by sea or air?和will do travel by sea or air?哪一句是对的 Are you going by l____ ,by sea or by air?填空 What's the l_____ expensive way to travel by train,by bus or by air?首字母填空wiwicat ,但它是两者比较啊....不好意思..看错的 the greens hate traveling by air.其中的语法 THE earth is(surrouned)by air.这样填对吗 you _______go to Beijing by air or by train.请问此处是填：can 还是 may we got into an a____ about whether to go by sea or by air.首字母填空. We got an a___ about whether to go by sea or by air. will you go by train or will you fly?will you go by train or by air?有什么区别? with air in air by air throght air 哪个是fly的意思?急急急! 00 Many people like to travel by air,___Jim's family think that traveling by train is the best.A.or B.and C.but D.if