What were Betsy and her friends doing at her birthday party?

What were Betsy and her friends doing at her birthday party? Make up one sentence out of two.
0. nbsp;The children (play) and (sing). Betsys mum (prepare) everything for tea.
While the children were playing and singing, Betsys mum was preparing everything for tea,
1. nbsp;Betsys mother (set) the table with a birthday cake. Emily and Rich (have) tea with sandwiches.
2. Betsys dad (choose) a CD for musical chairs. Susie, Kim and Aleck (sing) a song to music.
3. Susie, Kim and Aleck (sing) a quot;Happy Birthdayquot; song. Betsy (listen) to them carefully.
4. Janet, Neil, nbsp;Nelly and Jennifer (play) quot;pass the parcelquot;. nbsp;Tom (watch) the game with great interest.
5. Mike (make) up a birthday poem for Betsy. The other children (have fun).
6. Betsy (have) a birthday party. Her grandparents and other relatives (call) her all the time.