西瓜哥1級2021-12-29 回答

Never have I seen one zoo suitable for animals to live in。

陪伴是長情的告白1級2010-11-04 回答

the zoo is not suitable for wild animals to live in。

匿名使用者1級2010-11-20 回答

I have never seen a zoo for animals to live（in）。