The answers are 1.C, 2.A, 3.B
You have to underline a word that can function by itself as a noun phrase and it has to refer to either the participants in the discourse
EX:
SUBJECT PRONOUN
I, YOU ,HE, SHE, IT
OBJECT PRONOUN
ME , YOU, HIM HER
I’d say assertive. They’re just letting you know in on the past work members and what they’re wrong doing was. If you listen in you may be able to learn from the mistakes they’ve made and so on
