Paul takes the plane to London.=paul goes to London by plane/_____air.
问题描述:
Paul takes the plane to London.=paul goes to London by plane/_____air.
答
应该填by
by air=by plane 乘飞机air为天空的意思…………是的,但这是固定短语类似的如:by sea 乘船,sea“海洋”的意思祝你学习进步!