Ares Andreu Spanishgrimes - Brightlocal News
In formal usage, it should definitely be is: Neither of these options is available. This is the traditional rule (iirc, fowler’s discusses this at length).
Grammatically, they are both fine. In english usage, it depends which variety of english you are talking about. In british english, there are some uses where am/is/are having is idiomatic, for example: These and those can indeed have locative difference. They are the plural forms of this and that, respectively. They often convey a more abstract idea of proximity rather than actual physical …
They are the plural forms of this and that, respectively. They often convey a more abstract idea of proximity rather than actual physical …