the treatment will continue until the patient reaches the point___英语解答

the treatment will continue until the patient reaches the point____he can walk correctly and safely.
为什么用where不是when

人气：146 ℃　时间：2020-06-08 11:43:39

解答

从句是定语从句
从句与point的关系是at the point的关系.所以where＝at which