20．Nobody knows how this world came intoexistence/being（ 存在 ）．

分析 沒有人知道這個世界是如何形成的．

解答 答案是existence/being．本題考查語境中選用恰當?shù)脑~或短語的適當形式．existence n．存在；come into existence/being形成；存在；故答案是existence/being．

點評 翻譯填空要根據(jù)所提供的漢語意思結(jié)合語境和句子結(jié)構(gòu)選擇恰當?shù)脑~、短語或句型；同時注意句子結(jié)構(gòu)和所選詞的形式變化．

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