14. The people (whom/who/that) I got acquainted were all very pleasant.

Перевод задания: Выберите подходящее относительное местоимение.

В предложении пропущен необходимый предлог with. Правильный вариант: The people whom I got acquainted with were all very pleasant. (Люди, с которыми я познакомился, были очень приятными.)

Также допустимы who и that: The people who/that I got acquainted with were all very pleasant. Более формальный вариант: The people with whom I got acquainted were all very pleasant.