Someone tells you: 1. i went to the mountians last winter. 2. it was my birthday yesterday. 3. my brother was on holiday in autumn last year сделайте 9 вопросов по этим предложениям

1)Where have you gone last winter?
I went to the shopping center last winter, where have you gone?
2)why are you so happy?
Больше придумать не могу(