1 Choose the appropriate form. 1) She read/was reading when mother came. 2) Dad was sleeping while mother cooked/was cooking dinner. 3) They did/were doing yoga at this time yesterday. 4) We were going to the theatre when we met/were meeting him at the bus stop. 5) What were you doing when your brother watched/was watching TV? 6) Was it fine, when you skied/were skiing? 7) The girls were dancing when the music stopped/was stopping. 8) | listened/was listening to opera all evening yesterday. 9) He stayed/was staying at his place from 1 to 5 o'clock yesterday. 10) The sun was shining while we sailed/were sailing.