Dogs and cats are types of animals.是什么意思.怎么都加了S.

rain cats and dogs Rain cats and dogs'' dogs and cats是什么意思? Rain cats and dogs rain cats and dogs rain cats and dogs cats and dogs是什么意思 dogs and cats.翻译 rain cats and dogs rain cats and dogs rain cats and dogs是什么意思? it rains cats and dogs. It rain cats and dogs. lt rains dogs and cats It rained cats and dogs. It rains cats ang dogs. cats and dogs什么意思? 改错What are dogs and cats doing?They are runing and playing ( )are cats and( )are dogs. A.this,his B.these,those C.that,this