What ... at 7 o'clock yesterday?
Укажите правильный вариант ответа:
you did
you were doing
were you doing
did you do

What were you doing at 7 o'clock yesterday?

Объяснение:

длительное время в английском языке. Это время используется для описания действия в процессе, которое происходило в в определенное время. Время определяется либо обстоятельством времени (yesterday, last year, an hour ago и т.д.).

What ... at 7 o'clock yesterday?

Укажите правильный вариант ответа:

you did

you were doing

were you doing

did you do

What were you doing at 7 o'clock yesterday?