问题
选择题
I hope that ____ I have been able to do does good to them all. [ ]
A. which
B. what
C. that
D. when
答案
答案：B
搜题请搜索小程序“爱下问搜题”
I hope that ____ I have been able to do does good to them all. [ ]
A. which
B. what
C. that
D. when
答案：B