1. She hasn’t written to me for years.

→ It’s years _____________________since she last wrote to me________________________________________

2. Robert and Catherine have been married for ten ỵears.

→ It’s ten years _______________________since Robert and Catherine married___________________________________

3. It’s two weeks since they deaned their room.

→ They _____________________haven't cleaned their room for two weeks___________________________________________

4. It’s over six months since John had his hair cut.

→ John _____________________hasn't had his hair cut for over six months___________________________________________
 

5. How long is it since you rode a bicyde?

→ When _______________________did you last ride a bicycle?