Use either the past simple tense or the past continuous tense in the following sentences as appropriate. 1.) dinner when his friend called. 2.while julia was cleaning the flat, ). 3.at 5 o clock in the morning rose ). 4.when betsy arrieved, the ) dinner, but ) in order to talk to her. 5.) to spain last year. 6.when the ) the room, the pupils were talking. 7.while nora was writing the report, ) for more information. 8.) the film last night. 9.at one time mr.) this building. 10.) a letter to his family when his ) нужно)