A Visit to Grandma's - Mixed tenses

Last week, Penelope and her brother Percival (a)   (go) to visit their grandma.

It (a)   (be) a very rainy day so they had to take their umbrellas.

They could not go to the park so grandma said, "Today (a)   (be) a good day for staying inside and making cakes."

First, grandma (a)   (open) her recipe book and they chose a cake to make.

They (a)   (decide) to make pancakes.

Grandma said pancakes (a)   (be) a good idea because they were quick to make.

She also (a)   (tell) the children that they could each choose different toppings for their pancakes.

They (a)   (mix) the eggs flour and milk together in a bowl.

Then they (a)   (fry) the pancakes with some oil.

"What toppings (a)   (do) you want on your pancakes," grandma asked.