Во Выберите один ответ:
a. sit
b. were sitting
c. sat
d. was sitting

Во Выберите один ответ:
a. waited, slept
b. was waiting, slept
c. waited, were sleeping
d. was waiting, were sleeping

Во Выберите один ответ:
a. did you tell
b. was you telling
c. did you told
d. was you told

Во Выберите один ответ:
a. was coming, was sitting
b. was coming, sat
c. came, was sitting
d. came, sat

Картинка: https://i.imgur.com/lz1py6R.jpg