Алгебра
Английский
Биология
География
Геометрия
История
Русский
Обществознание
Физика
Химия
Информатика
Литература
МатематикаВопрос:
The scientist (to prepare) the article for two hours before midnight.
Ответ:
The scientist had been preparing the article for two hours before midnight.
Похожие
- He (to drive) a car for three hours when he (reach) the airport.
- We (to pack) already all our bags when they (to phone) us.
- It (to snow) for hours and no plane was able to take off.
- Our guide (to organize) our trip before we (to talk) to him.
- She (to wash up) after her mother (to come) home.
- They (to look) forward to this holiday for many years before they (to manage) to find it.
- Mark already (to be) to Africa twice before he (to get) married.
- We (to book) our flights weeks before we (to leave).
- I (to cook) breakfast by 5 o’clock.
