either
You should say has either.
You don't say it with a long e.
You can either say: He is older than I am or you can can say she is older than me.
You can either say "Agarrar" o "Tomar".
You could say either "Symphonie" or "Sinfonie".
You can either say 'Nerd' or CDF (in Brazil)
You can say "Ojou-Sama" or "Ojōsama" either way.. you can say both.
You can say either cell phone or mobile phone on a resume. Either will be acceptable and will be understood by the reader.
do because you would say do i go you wouldn't say does i go or does you go
I wouldn't use the word either in that instance. I would say " Any two of the hundred will do." the word either is for use when talking about two people or two groups. You might say " Send in either one of the two applicants now." or "Either of the two groups may come in for tea now".
You could say either of the following:soy homosoy gay
You can say either "fragata magnífica" or "fragata real."