"a cat and a dog" vs "cats and dogs"

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. A cat and a dog are often enemies.
  2. Cats and dogs are often enemies.
    I think #2 is correct. Is #1 also acceptable?
2

I think both are correct and acceptable. I might have a slight preference for #2, since it’s a bit more concise, but there’s nothing wrong with #1.

3

Hi, Skrej

What about this one:

The cat and the dog are natural enemies

Will it work? (I want to refer to a certain species of animals using the definite article the. I don’t mean to use the to refer to a certain animal)

Thanks !

4

All three are grammatically correct.

Yes.

5

Thanks !