河南成教 / 河南理工大学
正确率：100%
32[单选题]
He didn’t understand the _______ question, so there was a ______ expression on his face.
A. puzzling; puzzled
B.puzzling; puzzling
C.
D.puzzled; puzzling
He didn’t understand the _______ question, so there was a ______ expression on his face.
参考答案：