1)She didn't come back till 8 o'clock2)When he came,we were having dinner 3)He invited a boy to the room,whom had met before3)He ate all the pears,that she had fetched4)A lot of things changed till spring 5)The nurse looked at the child and notied,that he had felt asleep6)She didn't know how to begin,because she had never did such work7)Yesterday he ended reading"Peace and War" by Lev Tolstoy.I was reading it 2 month8)They swam 10 days,when finally they saw the ground9)There were a lot of snow in the street.it was snowing all night10)Although Andrey was gluing background all day,he accepted to go to the concert in the evening 11)He washed the car 1 hour,when he realised,that it wasn't his car.It was same color as his12)We lived 4 years in Brest,when the war began