Answer:
Dear grandma and grandpa ,
Hi, how are you doing today I hope everything is and everyone else is doing well. I miss you so much and I wish that I could come and visit you and (HERE YOU CAN WRITE YOUR ALL OF YOUR RELATIVES NAMES) . l miss you so so much and I wish that I could get a big hug right now but I can't so l am writing to you this letter to tell you how much I miss you and all the memories of last year.
So l can't come to visit because of the coronavirus pandemic we can't come and visit. Remember how my ice cream used to melt everytime we went out of the ice cream shop, then we would all laugh about it the next day.(FROM HERE YOU CAN PUT ALL OF THE GOOD TIMES THAT YOU HAD LAST SUMMER VACATION)
(THEN YOU CAN NOW MOVE ON TO WRITE WHY YOU LOVE YOUR GRANDPARENTS IN THE CONCLUSION)
Step-by-step explanation:
I'm sorry ☹️ but I have no explanation for you, maybe another person can give you a better idea and explanation.