Solución ejercicio pasado simple

1. I  (help) my mother.
2. Last night I  (watch) a horror film.
3. Yesterday, my sister (tidy) her room.
4. Last year, I  (visit) my grandparents.
5. Luis  (live) in Moscu nine years ago.
6. Mary  (play) the piano before bed.
7. My father  (work) in a large factory for three years.
8. Laura  (travel) around the world with her friends when she was twenty.
9. Lucas  (look after) his brother last night.
10. I  (play) computer games after school.