摘要： The question is so that there was expression on the students’ faces. A. puzzled; puzzling B. puzzled; puzzled C. puzzling; puzzled D. puzzling; puzzling [解析]选C.puzzling令人困惑的,puzzled(人)困惑的,puzzled expression困惑的表情.句意为:这道题太令人困惑了.学生们的脸上露出了困惑的表情.故选C.
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The question is so ___that there was ____expression on the students’ faces.
A. puzzled; puzzling B. puzzled; puzzled
C. puzzling; puzzled D. puzzling; puzzling
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