11．Judging （judge） from his accent，he must be a southerner．

分析 從他的口音判斷，他肯定是南方人．

解答 答案是Judging．根據(jù)題干結(jié)構(gòu)判斷，逗號后面是完整的句子，如果judge用謂語動詞，則出現(xiàn)兩個簡單句連用，缺少連詞，所以判斷judge不能是謂語動詞；本題考查分詞的獨立結(jié)構(gòu)"judging by/from"表示"根據(jù)…判斷"，這時不需要分析與句子主語之間的關(guān)系；故答案是Judging．

點評 本題是要求用所給動詞的適當形式填空，解題時首先考慮句中需要的是謂語動詞還是非謂語動詞；其次，如果是謂語動詞關(guān)注時態(tài)、語態(tài)和數(shù)的變化；如果是非謂語動詞要聯(lián)系非謂語的基本用法判斷非謂語的形式．

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