1. Father in the car while mother the shopping.
А. waited/ did
В. was waiting/ was doing
С. waited/ was doing
2. While she the soup the children .
А. cooked/ played
В. cooked/ were playing
С. was cooking/ were playing
3. Carol TV while Bob and Peter football.
А. was watching/ were playing
В. watch/ were playing
С. watched/ played
4. We at Victoria station when the train .
А. were waiting/ arrived
(в основном предложении Past Continuous, а в придаточном Past Simple )
В. wait/ arrive
С. were waiting/ was arriving
Объяснение:
While означает «пока», «когда» и используется для двух длительных действий, которые происходят одновременно.
Мы используем while, когда нам важно: подчеркнуть, что действие происходит во время другого действия
