分类：教育/科学-升学入学-高考
问题：一道选择题Heisn'tinterestedin_____Iha 
  He isn't interest in _____ I have told him.  A.which   B.that  c.all  D.all what
回答：应选c
首先确定是一个宾语从句后面从句不可缺成分，所以a.b不行
He isn't interested in _____ I have told him.
这里可以填what,而不可用all what ,引导宾语从句时它等于all that,又that在宾语从句中作宾语，可省略，所以选c