Ответ:

a)

2)Ann was driving to work at 8:15

3)Ann was checking emails at 8:45

4)Ann was preparing reports at 11:00

5)Ann and Sue were having a lunch at 1:00

6)Ann and Mark was doing the shopping at 5:30

7)Ann was exercising(had an exercise) at gym at 7:30

Объяснение: