Окончите предложения 1)I was reading while... 2)my friend was riding his

1) I was reading while while my parents were watching TV. 

2) My friend was riding his bike while we were playing football.

3) They were watching television while their mother was cooking supper. 

4) We were playing hockey while the other children were watching us. 

5) She was having lunch while her sister was speaking to her friend.

6) You were listening to music while I was cleaning the flat.

7) He was going to the shops while we were working in the garden.

8) She was dancing while her friend was playing the piano.