=> Ex4/ 1. A 2. B -> being interviewed 3. B -> come 4. B -> went off Ex5/ 1. I have known my best friend a long time. 2. When I arrived at the station, the train had left. 3. Her husband helps her to clean the house. 4. I hope to go to university next year. 5. Mary's children are used to being picked up after school everyday.
