When & while_BLANK

I was reading a book ........................... suddenly I heard a noise.

.............................. Rose was cooking dinner, her husband went to work.

........................... Sandra and Kathy were talking in the living-room,the doorbell rang.

Ben was playing in a basketball team ........ he was a kid.

Sharon came home ...... her brother was playing video games.

................................. Angela got home, she was making some coffee.

They were sleeping .......................................... the burglars broke in.

We were having a lesson ....................... we heard a terrrible noise.

....................... I was cycling, the rain started.

He broke his arm ...................................... he was playing basketball.