Respuesta :

The choir needed more of these two groups: altos and sopranos.

Answer:

The correct answer is "altos and sopranos"

Explanation:

The plural form of the nouns alto and soprano are formed by just adding an "s".

The word "alto" means a type of voice within a choir.

The word "soprano" means someone (men, women, girl or boy) with the highest voice in a choir.

The rest of the options, altoes and sopranoes, are incorrect since the plural form is by just adding the "s".

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