12．As we all know，the official languages of Canada are French and English．

分析 眾所周知，加拿大的官方語言是法語與英語．

解答 答案：official
解析：根據(jù)句意"眾所周知，加拿大的官方語言是法語與英語"及所給首字母提示可知，本題答案為official"官方的"一詞．

點評 本題考查首字母填空，做此類題目時一定要仔細分析句子結(jié)構(gòu)并根據(jù)句意確定所填詞，另外還要注意所填詞的形式是否會有變化．

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