Choose the right grammatical form in each gap to complete the text

My last birthday [were|was|be|been]the best in my life. My parents organised a surprise party for me. They invited my friends, and we had a cool pool party in our backyard. We [eat|eated|ate|ated] pizza and tasty snacks, drank soft drinks and swam in the pool. We [not celebrate|wasn't celebrate|didn't celebrate|didn't celebrated]a long time because in the evening I had to go to the concert. That was my parents' present for me. They [buy|bought|was buy|were buy]two tickets to a concert of my favourite rock group. It was fantastic! I went with my best friend, Pete, and we had a wonderful time there! What [was|wasn't|weren't|were]your best birthday party like?