Respuesta :
1 When the earthquake began, they were sleeping.
2 He bought that picture because the woman in it was smiling.
3 Last night, I woke up at 4 o'clock and unfortunately I could fall sleep again.
4 When my sister wasn't using the camera, I broke it.
5 While we were watching the football match, he went to bed.
6 My boyfriend was jogging when he met my mother.
7 While she was waiting for him, she was switching on the radio.
8 My daughter was having a nightmare when the alarm went off.
9 The sun wasn't shining when I got up this morning.
10 My parents found that photo when they were tidying the garage.
espero que te haya servido y si fue así no olvides de seleccionarme como mejor respuesta<33