Module 3. Adventure » Стр.35 (C)

Join the sentences using when or while. 1. Thomas was talking on the phone when the accident happened. 2. We heard a noise while we were walking in the forest. 3. Becky was doing her homework while Alice was surfing the Net. 4. When I saw the huge dog, I ran for help. 5. Mary was on the bus when her brother called her. 6. Luke was making a salad while his sister was making sandwiches.