he will fly to perth.he will go there __.(with air /in air /by ai_英语解答

he will fly to perth.he will go there __.
(with air /in air /by air ./through air)

人气：440 ℃　时间：2020-10-01 19:04:45

解答

by air 介词by 加上交通工具的名词表示乘坐某种交通工具