请问宾语从句中what和which 的区别答:There is a teacher who is always ready to help others and who enjoys what he does . 2) 只能用that作为定语从句的关系代词的情况 a) 在不定代词,如:anything, nothing, everything, all, much, few, any, little等作先行词时,只用that,不用which。 All that is needed is a supply of oil. ...