1) The lights went out ______ they were eating lunch. a) WHEN b) WHILE 2) ______ her friend knocked on the door, she was talking on the phone. a) WHEN b) WHILE 3) I was listening to music ______ my daughter asked for help. a) WHEN b) WHILE 4) I was watching TV ______ my dad arrived home. a) WHEN b) WHILE 5) ______ I was walking to school, it started to rain. a) WHEN b) WHILE 6) The dog ran away ______ we were playing outside. a) WHEN b) WHILE 7) ______ he was riding his bike, he saw a beautiful bird. a) WHEN b) WHILE 8) ______ I found an old photo, I was cleaning my room. a) WHEN b) WHILE 9) I was cooking dinner ______ my mom called me. a) WHEN b) WHILE 10) ______ I was studying, my phone rang. a) WHEN b) WHILE

WHEN or WHILE?

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