1. ... I was watching TV, Mum was reading , When, While, 2. ... I came into the room, he was sleeping, When, While, 3. ... we were visiting London, it was raining, When, While, 4. She was dancing, ... I first sawher., When , While, 5. Mary was cooking, ... the phone rang., While, When, 6. ... he was thinking, the bus left., While, When.

While /when

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