Откройте скобки и поставьте глагол в правильную временную форму ( the past simple or the present perfect). 1. he (live) in st. petersburg for two years and then (go) to siberia. 2. when he ( he (arrive) at 2 o'clock. 3. i (read) this book when i was at school. 4. i can't go with you because i (not finish) my lessons yet.