2. It is twenty past eight.
3. It is ten past nine
4. It is quarter tò nine
5. It is three o'clock
6. It is half past three или It is quarter past six. просто стрелочки почти одинаковые.
7. It is ten to seven.
8. It is half past eleven
9. It is twenty to two.
Как-то так, в 6 лучше и правильней 2 вариант.