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).