1. We started this experiment last week.
2. They came back home at 7 o'clock in the evening.
3. We decided to send this letter yesterday.
4. To whom did you give these magazines?
5. Yesterday I met Steve in the library.
6. When was the last time you saw him? / When did you last see him? - Last Tuesday.
7. You did not learn French last year.
8. What time did you start working yesterday? - After lunch. We had little work.
9. The weather was good, and my friends and I went to the park.
10. Where were you an hour ago?
11. I met her the day before yesterday, and she told me about it.
thank for useful information, bro