he has just come here .No one knows ( ) 为什么用 where he is from 而不用_英语解答

he has just come here .No one knows ( ) 为什么用 where he is from 而不用 where he was from

人气：318 ℃　时间：2020-10-01 23:48:05

解答

没有必要用过去式
没有过去时间标志