I.......... listening to the radio while my sister was watching TV.
- was
- were
What .............. he doing when the helicopter crashed to the ground?
- was
- were
Why...........you crying when I entered the room?
- was
- were
Where ............ he going when you met him?
- was
- were
My dad ............. sleeping when the telephone rang.
- was
- were
Tom and Helen .................... playing chess at four o' clock in the afternoon.
- was
- were
What ............ the children doing when the door bell rang?
- was
- were
She .................. doing her homework when the lights went out.
- was
- were
While they ................ watching TV I was reading a comic.
- was
- were
Peter and Tom .............. shouting when the teacher came into the classroom.
- was
- were