Nos is the correct answer .
it’s basically like saying “ they invited me and Ines to dinner”
<span>Pronouns are used in place of nouns. The purpose of pronouns is to avoid repeticion and make sentences essier to understand; somr pronouns are, he, she, it, they.</span>
Con compañeros is the most appropriate time to use tú form.
All others are professional/require show of respect or usted form.
