Раскройте скобки, употребляя глаголы в форме Past Simple или Past Continuous
1.when my father (to come) home, I (to have) dinner.
2.when Alice (to return) ,I (to listen) to the radio.
3.when mother (to enter) his room, he (to draw) a picture.
4.when my sister (to come in) , I (to do) my lessons.