If one of the students left their book on the table then ask all of the student if they left a book on the table.
You shouldn't lend a friend a large amount of money if they are using it for their own personal reasons. You could end up using that money for something you need, instead of something they want. If it isn't for an emergency or something they absolutely need, you should never give a friend a large amount of money, especially if they tend to be unreliable and/or known to not repay people back.
Answer:
the need for retirement security
Explanation:
1) forefathers
2)forewarn
3)foreground
4)foreshadow
5)forehand
6)forestall
7)forerunner