It's very interesting ---- animals with the farmers in the f

为你解答.
It's very interesting (to keep,饲养) animals with the farmers in the farm.
在农场里,与农民一起饲养动物是非常有意思的.
再问： 为什么要用“to do”的形式？
再答： 解释：根据句型It's +形容词+to do，意思是做某事怎么样。动词要用不定式to do。