When or while1 - he was studying__the children__arrived2 - __mary was readin, i was listening to music3 - we knew it, she was out4 - students were playing__it stared to rain5 - __monica was eating her?

When or while 1 - he was studying__the children__arrived 2 - __mary was readin, i was listening to music 3 - we knew it, she was out 4 - students were playing__it stared to rain 5 - __monica was eating her son was talking 6 - jenny was resting__the phone son 7 - Lucy was calling me__i was triying to buy it 8 - __she got these, she realized she was wrong 9 - michael saw you__you were in the supermarket.