Раскройте скобки,употребляя глаголы в Past Indefinite и Past Continuous.
1.While she(to play)the piano,I(to write)a letter.2.He(to go)to the University,whenI(to meet)her.3.Our friends (to discuss)something when we(to interrupt)them.4.My mother(to wach)TV,when I( to come)into the room.5.I haven't seen him since he(to move)to his newflat.6.When I ( tlook)out of the window,I(to see)that it(to rain)hard and people(to hurry) along the street.7.We(to leave)the house,when the telephone(to ring).8.I(to sit)on the river bank,when my friends(to join) me.9.When I(to come) up to him,he(tp speak)to his friends.10.when we(to enter)the room he(to smoke and to speak)to his friends.11.I(to wach)TV,when somebody(to ring)you up yesterday?12.Her son(to cook)dinner,when she(to come)home.13.She(to water)the flowers,while her husband(to wach)TV