1. A: we'd love to have you at our parents 50th anniversary party
B: ……
2. A: we request the honour of your company at the wedding party of our daughter and son
B: …….
Read the invitation and write the responses formally whether your accept the invitation or turn it down with regret
1.B Thank You for the invitation. I will come to the party with my family.
2B. I am sorry that i can not come to the party since on that day we will have yearly meeting of the company.