what 只能引导名词性从句,不能引导定语从句.that/which 在引导限制性定语从句时在句中作主语、宾语均可.只能用that 的情况：先行词是不定代词all,little,much,everything...时；先行词是the only/very/right/last/sa...
怎样区分what和that、which引导的定语从句
what 只能引导名词性从句,不能引导定语从句.that/which 在引导限制性定语从句时在句中作主语、宾语均可.只能用that 的情况：先行词是不定代词all,little,much,everything...时；先行词是the only/very/right/last/sa...