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15．He can'taccount（解釋）for his absence from school．

分析 他不能為缺課做出解釋．

解答 答案是account．考查動詞．句意是"他不能為缺課做出解釋．"句子缺少謂語動詞，所以情態(tài)動詞can't后面用動詞account原形表示"解釋"．故答案是account．

點評 本題考查翻譯填空．首先要判斷填寫的單詞及固定搭配，然后根據句意和相關語法填寫正確的答案．

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