10．The girl looked at me with a ________ expression．Maybe the problem was quite_______．（　�。�
A．puzzling； puzzledB．puzzling； puzzling
C．puzzled； puzzledD．puzzled； puzzling

分析 這個女孩困惑地看著我．也許這個問題是令人困惑的．

解答 答案是D．本題考查分詞的用法．題干中主要考查puzzled 和puzzling的區(qū)別：說明"（人）感到…困惑的狀態(tài)"用過去分詞，說明"（物） 令人…困惑的特性"用現(xiàn)在分詞；所以第一空中用puzzled表示"感到困惑的表情"，第二空用puzzling表示problem令人困惑的特性，所以答案選擇D．

點評 在非謂語動詞的解題中要在掌握其基本用法的基礎(chǔ)上關(guān)注并積累一些固定用法，結(jié)合具體語境做出合理的判斷．

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