1) 1. ______ my father was reading a book, my mother was looking at the family album. a) When b) While 2) 2. I was having a shower ______ my friend broke my mother's favourite vase. a) When b) While 3) 3. ______ the teacher came into the classroom, some students were reading. a) When b) While 4) 4. I arrived home ______ all the guests were having tea and biscuits. a) When b) While 5) 5. ______ Sue was waiting for the 12 o'clock train, she met an old friend. a) When b) While

When - While

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