也谈that和which的用法区别在定语从句中,关系代词which和that都可指物,一般情况下,可以互换使用。但在下列情况下值得注意:■只能用that而不能用which的情形(1)当先行词为:all,little,few,much,none及some-,any-,no-,every-与thing所组成的复合单词时,只能用that。如:Thereisnothingthatwillstopusmakingprogress.没有事情会阻止我们进步。(2)当先行词前面有only,some,any,no,every,little,few,much,all,very...