Поставь глаголы в скобках в необходимое время There are many holidays

Поставь глаголы в скобках в нужное время There are many holidays in a year. I like Christmas most of all. Every Christmas we ...(decorate) our flat. My mum ....(cook) tasty things. Last year we ....(have) a great party. We .....(invite) our relatives and friends. We....(sing) different songs and .....(play) games. It was very funny. What ....(be) your favourite holiday? What (you/do) on this day?