分类：教育/科学-外语学习-英语考试
问题：after___seemedanendlesswait,itwa? 
after___seem an endless wait,it was his turn to have the job interview.a.thatb.whichc.whatd.who为什么不能用which?
回答：答案：C
what是一个代词，做从句的主语同时又引导整句话做after的宾语。which也是个代词，但是只能引导定语从句，即前面有先行词或者句子。