1. Truth lies [is] at the bottom of a well. 

2. He is at the bottom of the class.

3. The telephone is at the bottom of the stairs.

4. Who is at the bottom of all this trouble?

5. Immigrants were at the bottom of the pile.

6. The Giants are at the bottom of the league.

7. Who is at the bottom of these rumours?

8. I found the keys - they were at the bottom of my handbag.

9. The green book is at the bottom of the pile and the red one is on top.

10. Nobody wants to be at the bottom of the pecking order .

11. The book I want is at the bottom of the pile.

12. The very poor are at the bottom of the heap.

13. Lack of money is at the bottom of many family problems.

14. These workers are at the bottom of the economic heap.

15. At first the new boy was at the bottom of the class but he soon pulled up.

16. Often I find that anger and resentment are at the bottom of the problem.sentencedict .com

17. I soon discovered I was at the bottom of the pile in the office hierarchy.

18. The desire for money is at the bottom of much of the world's violence.

19. Plankton is at the bottom of the marine food chain.

20. The corpse is at the bottom of the slope.

21. Your name will be at the bottom of the letter-why write it twice?

22. Someone must be at the bottom of this affair.

23. Now I know what's it's like to be at the bottom of a well.

24. After all, it be quite discouraging to be at the bottom of the top grade.

25. In my previous article discussed: will be at the bottom of the world economy, China's economy.

26. After all, it can be quite discouraging to be at the bottom of the top grade!

27. To deliver water from these depths the pumping machine has to be at the bottom of the well.

28. Operation, the warmer post-stock index level of activity can be maintained, the concern may be at the bottom of a big bang, or a total of relatively small species.