| 1 | The temperature suddenly dropped. | |
| 2 | What happens is that in the middle of your sleep, your blood sugar might suddenly drop and wake you up, because you feel hungry. | |
| 3 | Very often, our energy level does not drop all of a sudden, but slowly over several days. | |
| 4 | Unprecedented in the history of the Catholic Church - and yet another sign perhaps that history had reached a sudden stage of openness. | |
| 5 | Teenagers are a confused lot, mainly because of the sudden changes that puberty brings to their body. |
