Ответ:

Задание 1: Заполнение пропусков глаголами 'was/wasn't, were/weren't'

1 A: Were you at the doctor's yesterday? B: No, I wasn't at the hospital.

2 A: Was John last night? B: He was at Mary's house.

3 A: Were they happy when they moved to their new house? B: Yes, Tina was, but John wasn't.