问题描述：
when 后加动词的什么形式?
e.g.Horses can find their ways when ______.(lose)
是填losing lost being lost?
THANK YOU ALL
...迷茫的孩子...
e.g.Horses can find their ways when ______.(lose)
是填losing lost being lost?
THANK YOU ALL
...迷茫的孩子...
问题解答：
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