Напишите следующие предложения в Past Indefinite, добавив , если это необходимо нужное по смыслу обстоятельство времени
1)Our classes begin at 9 o’clock
2)Where do you spend your winter holidays ?
3)They study at the Institute of Foreign Languages
4) She usually walks to her office
5)Are you pleased with his marks ?
6)There are few people in the reading-room now