6предложение на past simple ( паст тимпол)

1. Yesterday I did my homework.
2. She told me about her problems on the last week.
3. I saw my childhood friend and said him "Hi".
4. He took my book about two days ago.
5. I thought it is a good idea, but Alisa said that it's not.
6. I didn't clean my room on last weekends.