问题补充:
There was a look on his face when he met with theproblem.
A. confusing;confusing
B. confused;confused
C. confusing;confused
D. confused;confusing
答案:
A. confusing;confusing
B. confused;confused
C. confusing;confused
(答案→)D. confused;confusing
解析:本题考查形容词。Confusing令人困惑的;confused困惑的。句意:当他遇到这个令人困惑的问题时候,他脸上露出了困惑的表情。