1. He spent money in spying into the affairs of his wife.

2. Why do you spy into our affairs?

3. It's wrong to spy into people's affairs.

4. They tricked the spy into revealing his ture colors.

5. I was demanded to spy into the enemy's movements.

6. It's impolite to spy into other people's windows.

7. Journalists sometimes spy into the affairs of the celebrities.

7. is a sentence dictionary, on which you can find excellent sentences for a large number of words.

8. He likes to spy into other people's affairs.

9. What right have you to spy into my affairs?

10. We must not spy into Amy's diary.

11. Don't spy into others'affairs.

12. It is his nature to spy into other people's affairs.