where does Mr.Black live?Sorry,I don't know where he lives为何不能用lives in

问题描述:

where does Mr.Black live?Sorry,I don't know where he lives
为何不能用lives in

因为where是疑问副词,后面就不要介词了!

in 后面得有具体地点啊
要是改成 I don't know in which house he lives 也成
where 副词前面不用加介词