There was alook on his face when he met with theproblem.A. confusing；confusingB. confused；

问题补充：

There was alook 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：考查形容词。Confused通常用来形容人，或者与人有关的事物；confusing通常形容事物。本题的look是与人有关的事物，所以仍然使用confused。第二空修饰problem，所以使用confusing.