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Many species of animals which once lived on the earth are no longer in(exist)___
Many species of animals which once lived on the earth are no longer in(exist)___
游客
2023-10-03
25
管理
问题
Many species of animals which once lived on the earth are no longer in(exist)______.
选项
答案
existence
解析
本题考查动词的词形转换。介词in后应该跟名词，而exist是动词，所以应该填入其名词形式existence。
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