A shark is a dangerous _____________ (动物) that lives in the sea.

问题描述:

A shark is a dangerous _____________ (动物) that lives in the sea.

填 animal答案上加s了 答案错吗1 根据句子里的a ,animal 应该是不加s的2 根据后面定语从句中的lives是第三人称单数,animal也是应该不加s的我也不敢肯定说是不是答案错了