who,whom的用法

The poor boy ________ lost both his parents last year is called Mike .

A、who B、whom

说下原因和该句子的成分．

who,whom的用法 who与whom的用法 请问who和whom的不同用法。 “who”和“whom”的用法有什么不同？？ whom与who在定语从句中用法的区别 whose,whom,who,whuch,that的用法有什么区别 宾语从句的用法 who whom with whom 等等的区别是什么？ whom的用法 who whom that的区别 what .that.where.which.when.who.whom.的具体用法和区别