21. Half past ten ! Good Heavens ! I ' ll have to be going . 22. So over the past few years, I've tried ways to share more 23. Coal has been the main source of energy in the past . 24. Many people wrongly believe that tuberculosis - TB for short - is a disease of the past. 25. They shoved him along past the window . 26. In the past few years investments in mutual funds have soared . 27. 13 . Past policies have contributed to the problem . 28. 13 . Past policies have contributed to the problem . 29. Some say that it was also called Aygrah in the past. 30. 13. Past policies have contributed to the problem.
