*Fill in the blanks with ‘when’ or ‘while’ 1,Mr.Robinson fell off the tree............he was looking at the little bird’s nest 2,I was having a shower...............my friend broke my mother’s favorite vase 3,...............The teacher came into the classroom,some students were arguing with each other 4,I arrived home................all the guests were having tea and biscuits 5,................Susan entered the living room,everybody was singing ‘Happy Birthday’ 6,I liked working in group and pairs..............I was a secondary school student 7,................Sue was waiting for the 12o’clock train,she met an old friend 8,The Pearsons were having a large breakfast................the doorbell rang 9,The sun was rising..............we reached he summit of the mountain 10,What were you doing................the teacher looked at you suddenly? 11,................The train left,Thomas was rushing to the station 12,The electricity went off...............we were watching a horror film 13,................Mathew was going to the library,he saw a car accident on Mapple Street 14,The baby boy started crying................his mother was combing her hair

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