Раскройте скобки, употребляя глаголы в Past Simple, Past Continuous либо Past

Раскройте скобки, употребляя глаголы в Past Simple, Past Continuous либо Past Perfect.
1) By 9 p.m. yesterday she ______________ her homework. (to do)
2) At 5 oclock yesterday she_____________ the piano. (to play)
3) Father __________ home by 6, and at 7 he ___________ dinner. (to come, to have)
4) When I ___________ Tom, he _________ an ice-cream which he _________ at the corner of the street. (to meet, to eat, to buy)
5) When father_____________ home, we ____________ the mushrooms. (to come, to cook)
6) By 2 oclock yesterday the teacher _____________ all the students. (to examine)
7) On my way to school I ______________ that I ___________ my books at home. (to remember, to leave)