7. By 7 o'clock yesterday morning Granny (to bake) pies with rice and meat and at 8 o'clock our family (to drink) tea and (to eat) pies in the dining room.

Solution:

• 7. By 7 o'clock yesterday morning Granny had baked pies with rice and meat and at 8 o'clock our family was drinking tea and was eating pies in the dining room.

Explanation: Baking pies was completed by 7 o'clock (Past Perfect). Drinking tea and eating pies were ongoing actions at 8 o'clock (Past Progressive).