1) ______ I was driving to work, I saw a beautiful sunrise. a) When b) While 2) She was talking on the phone ______ her friend arrived. a) when b) while 3) ______ they were having dinner, someone knocked on the door. a) When b) While 4) I was doing my homework ______ my brother was playing music. a) when b) while 5) The kids were playing football ______ it started to get dark. a) when b) while 6) I was cooking dinner ______ the phone rang. a) when b) while 7) They were playing outside ______ it started to rain. a) when b) while 8) ______ she was reading a book, her brother was watching TV. a) When b) While 9) I was walking home ______ I saw my old friend. a) when b) while 10) ______ we were studying, the power went out. a) When b) While

past continuous when/while

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