... were watching TV I was stuying when the electricity was cut off I was preparing for a history exam When I got there, Mrs Parker was in the garden She was planting and watering flowers While the ... lot of/ many animals While we were feeding the elephants, it started to rain/ raining Exercise 19 much more serious than slightly older much harder much better much more boring Exercise 20 more ... broken down twice already? What has happened to your TV, which you bought only last year? Exercise 29 was eating was having came 105 Đáp án was sleeping was sleeping rang began Exercise 30 operations...