itself

这只猫会自己开门。

The cat can open the door by ___itself.

那只猫一整天都自己待在家里。

The cat was in the house by ___itself all day.

不应把兔子单独留下太久。

A rabbit shouldn't be left by ___itself for too long.

这个故事本身就很有趣。

The story ___itself is very interesting.