为什么是by the light of the room而不是on

为什么是by the light of the room而不是on by the light of by the light of例句 The light is on in his room. 为什么在句子Look,the light is on；she maybe in the room中,maybe是连接的 I will meet my friend on the morning of May first.中为什么是on而不是 Raped by the Light of Christ 歌词 ____home,the light in the room was still on. 28.---- The light is on.Who is in the room? 为什么是on fifth avenue而不是on the fifth avenue 为什么是on the sofa,而不是in the sofa? on either side of the road are trees,为什么是are而不是is,详解,