After working for a long time,.但为什么是Having working for a long time.

After working for a long time,.但为什么是Having working for a long time.
英语人气:664 ℃时间:2019-11-21 13:18:52
优质解答
没有Having working for a long time.
只有以下两个:
Having worked for a long time.
Having been working for a long time.
这种用动名词开头的句子很多的.
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