A: What did you do last Saturday?B: Last Saturday I went shopping with my mom and sister.A: Did you go to Spain a month ago?B: No, actually it was two years ago.A: Were you in 8th grade last year?B: Yes, just like your sister.A: Do you know what happened at the zoo last week?B: Yes, I heard. It was horrible. A: When was the full moon?B: A fortnight ago, I think.