问题描述：
When i came in, i found a boy hide behind the door.改错?
When i came in, i found a boy hide behind the door.改错答案为：hide改为hidden 可以把hide改成hiding吗?
When i came in, i found a boy hide behind the door.改错答案为：hide改为hidden 可以把hide改成hiding吗?
问题解答：
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