选择题:He has set a good example __ .
A.of us B.to all us
C.to us all D.for all of us
选C 为什么?
选B为什么不行
参考答案:set a good example to sb.为……树立榜样
us all = all of us
由此可见,B选项all us 要改为all of us
A.of us B.to all us
C.to us all D.for all of us
选C 为什么?
选B为什么不行
参考答案:set a good example to sb.为……树立榜样
us all = all of us
由此可见,B选项all us 要改为all of us