英语改错题，帮忙。急急

For example, when he bought a chocolate cake, he put it in a secret place which I couldn't find.

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For example, when he bought a chocolate cake, he put it in a secret place where I couldn't find it.
在最后加上一个it
find是及物动词 后面应该加宾语。

For example, when he bought a chocolate cake, he put it in a secret place where I couldn't find it.
这里的where也可以用in which代替。