15．Thank you______the photo of your family．It's very nice．（　　）
A．atB．toC．onD．for

分析 謝謝你的全家福．它很不錯(cuò)．

解答 答案：Dat表示在…地方；to表示到達(dá)，朝向；on表示在…上；for表示為了，對(duì)于．thank sb for…表示因?yàn)椤兄x某人，此處表示因你的全家福而感謝你，選D．

點(diǎn)評(píng) 考查對(duì)常用介詞意思與用法的掌握．

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