5. Which sentence is correct? a) They am my friends. b) They is my friends. c) They are my friends.

Перевод задания: Какое предложение правильное?

Правильный вариант: c) They are my friends. С местоимением they используется are.

They are my friends. (Они мои друзья.)

Ответ: c) They are my friends.