Помогите пожалуйста))))
Раскройте скобки, употребляя глаголы в past progressive.
1. I (to write) an English exercise at this time yesterday.
2. When I went out into the garden, the sun (to shine) and birds (to sing) in the trees.
3. I (to do) myhome work at six o'clock yesterday.
4. When i came into the kitchen, my mother (to cook).
5. We (to wash) the floor in our flat from three till four yesterday.
6. I (to sleep) at nine o'clock yesterday.
7. When Kate opened the door, the children (to dance).