问题
选择题
They paid fifty percent of _____ they were able to earn to the state．
A．that
B．which
C．what
D．whom
答案
答案：C
考查名词性从句。从句中they were able to earn 后缺少宾语，所以用what，句意：他们付了他们能够挣得的百分之五给这个国家。所以选C。
搜题请搜索小程序“爱下问搜题”