问题描述：
关于英语中过去分词和现在分词完成形式的区别
______ there for 30 years,Haydn moved to London,where he was very successful.
A.Working B.Worked
C.Having worked D.To work
过去分词也表完成 现在分词的完成形式也表完成 如何区别
______ there for 30 years,Haydn moved to London,where he was very successful.
A.Working B.Worked
C.Having worked D.To work
过去分词也表完成 现在分词的完成形式也表完成 如何区别
问题解答：
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