A) colin (swam/was swimming) in the swimming pool at 3 o'clock yesterday afternoon. b) my parents (listened/were listening) to the radio when i came into the kitchen. c) my sister (watched/ was watching) tv when i phoned her. d) it (rained/was raining) when i left the cinema. e) i (pained/was painting) a picture at 10 o'clock in the morning.