定语从句中what在什么情况下才能用做关系代词答:what不能做定语从句的关系词。限制性定语从句只能用that 的几种情况 1.当先行词是anything,everything,nothing (something 除外),few,all,none,little,some 等代词时,或者是由every,any,all,some,no,little,few,much 等修饰时 (1)have you taken down everything that mr.li has said?(2)there...