there's someone knocking at the door.等于什么
问题描述：
there's someone knocking at the door.等于什么
最好用there‘s开头
答
Someone is knocking at the door.
意思是：有人正在敲门.
不明白欢迎来追问!
望采纳,多谢了!最好用there's开头，可以吗？there's somebody knocking at the door.不明白欢迎来追问！望采纳，多谢了！