1. It's half past six. 3. What's the time? It's seven o'clock. 4. It's time to go to school. 6. It's time to go for a walk. 7. It's time for a lunch. I'am hungry! 8. It's time to go home. 10. What's the time? It's four o'ckock (или four p.m, смотря, как Вас учат). It's time to have diner. 11. What's time? It's a quarter for five. 12/ It's 5 p.m. It's time for having tea. 14.It's 6 o'clock. It's time to go out from home. It's my favoutite time for playing with friends. 15. At last I am playing computer. It's a bit of time for me. 16. What's the time? Hurry up! It's time for going bed. 17. не могу прочесть, мешать дата с фотоаппарата. 18. Yes, It's very late.
Я думаю так, зависит от задания и грамматики, что проходите. Ловите!