问题
选择题
There was a________look on his face when he met with the________problem. [ ]
A. confusing; confusing
B. confused; confused
C. confusing; confused
D. confused; confusing
答案
答案：D
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There was a________look on his face when he met with the________problem. [ ]
A. confusing; confusing
B. confused; confused
C. confusing; confused
D. confused; confusing
答案：D