will you travel by sea or air?和will do travel by sea or air?

will you travel by sea or air?和will do travel by sea or air? will you travel by sea or air?和will you do travel by sea or will you travel by sea or by air的意思! will you travel bay sea or by air 不是说情态动词不能单独作谓语吗?1:Will you travel by sea or by air?2:We may You will enjoy yourself if you travel by sea You will always travel by sea.错在哪里? 1- you travel by train or by air,you can reserve tickets onl do you like to travel ＿ ＿ or ＿ sea? 英语翻译If you travel by air across the center of Africa or Sout 22.If you travel by air across the center of Africa or South 新概念二册58课中有一题：If you travel by air, you will gain time.