Раскройте скобки, употребляя глаголы в past simple или past continuous: 1) when i (to ring) up my friend, he (to sleep). 2) when my friend (to come) to see me, i (to do) my homework. 3) what you (to do) at 5 o’clock yesterday? i (to play) the piano. 4) when i (to prepare) breakfast in the morning, i (to cut) my finger. 5) when i (to come) to school, the children (to stand) near the classroom. 6) last year i (to go) to canada