How long is it since you rode a bicyde? → When …………… 14. How long is it since he wrote to ỵou? → When…………

13. How long is it since you rode a bicyde?
→ When …………………………………………………
14. How long is it since he wrote to ỵou?
→ When…………………………………………………
15. When did he last talk to you?
→ How long …………………………………………………
16. When did you last telephone him?
→ Hong long …………………………………………………