Purists will tell you to use "between" when there are only two choices, and "among" when there are more than two, but you will be understood quite readily if you use "between."
Anyway, in answer to your question: Not much, but it depends how you are using them. In the plural, you're just saying that cats are at not in this place, in general. In the singular, it's more like a resonse to an
You said that sentences "I didn't like visiting my friend in the city. There are no cats there" are one that of a statement of fact and to that, I agree with your assessment, but, I think, when it comes to listing the sentences/expressions that will work just as well as its replacements, they could include the sentence "There is no cat there" in addition to the
Well, my example was rather silly. Of course there are cats in cities. So it makes my whole example a little off-base.
But anyway, if I meant that my friend doesn't have a cat, and I a day just isn't a good day without a cat on my lap at some point, it would be far more natural to say "I didn't like visiting Meg. She doesn't have a cat." You will have a difficult time finding a native spe