题目内容：

先行词是那些时定语从句引导词只能用 where?

优质解答

一、where定语从句修饰抽象名词pointYou reach a point where medicine can’t help.你已到了药物无法治疗的地步.The crisis has reached a point where the receiver will have to be called in.危机已达到非把破产...