题目内容
10、It must be a ______ question, as can be seen from the _______ expression on the physics teacher’s face.
A. puzzled, puzzling B. puzzling; puzzled
C. puzzling; puzzling D. puzzled; puzzled
试题答案
10、B
It must be a ______ question, as can be seen from the _______ expression on the physics teacher’s face.