Choose the correct tense (past simpe or past continuous) in these sentences. 1. i knew he was a police officer because he was wearing/wore his uniform. 2. she took her dog because it needed/was needing a walk. 3. she wore her sunglasses because the sun was shining/shone. 4. i failed/was failing my exam twice last year. 5. they watched/were watching tv when they heard a crash. 6. last year we went/were going camping and we had a great time. 7. my mum wa taking/took a picture when she dropped the camera. 8. hippies lived/were livnig in the 1960s and 1970s. 9. the plane arrived/was arriving in madrid on time. 10. i played/was playing football when i broke my leg.