Заполните пропуски соответствующими предлогами 1. They had discussed the problem _____ 5 o’clock. 2....: ответ на тест 606283 - Английский язык

Заполните пропуски соответствующими предлогами
1. They had discussed the problem _____ 5 o’clock.
2. They were discussing the problem _____ 5 o’clock yesterday.
3. They have been discussing the problem _____ 5 o’clock.
4. They have been discussing the problem _____ 5 hours.