Ejemplos simple past passive?

1 - The roof was painted a week ago. 2 - This house was built in 1972. 3 - My bike was stolen yesterday. 4 - I rode in a horse yesterday. 5 - She went to the school in this morning. 6 - We ate pizza last week. 7 - The cars and trucks were repaired by the mechanics. 8 - The store was opened by them at 9 am. 9 - More than fifty people were arrested by the police. 10 - I was paid a lot of money by them to do the job.