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He didn't understand the question, so there was a expression on his face.

编辑:chaxungu时间:2026-04-27 03:02:15分类:高中英语题库

【题目】He didn't understand the question, so there was a expression on his face. (puzzle)

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【答案】puzzling;puzzled
【解析】句意:他不懂这个令人疑惑的问题。现在分词做前置定语, 表主动, 故填puzzling。puzzled句意:在他脸上有一个感到疑惑的表情。过去分词作前置定语, 表被动, 故填puzzled。