| Lesson 47: Mysterious Experiences | |
| 694 | My aunt said she once saw a ghost. |
| 695 | What was that noise? |
| 696 | I think there’s something in the darkness. |
| 697 | No one knew what happened to Simon. |
| 698 | The killer’s identity remained unknown. |
| 699 | The police don’t know who took the jewels. |
| 700 | Her recipe is good because of the secret ingredient. |
| 701 | His job in the war is still a secret. |
| 702 | She says that she can predict someone’s future. |
| 703 | Some people believe that aliens visit Earth from other planets. |
| 704 | Truthfully, there have been some unexplained occurrences around the house. |
| 705 | Mysterious noises like you heard that seem to have no natural causes. |
| 706 | Doors that seem to close on their own and objects that get moved around but not by human hands. |
| 707 | A couple of months ago, a friend and I went to a psychic just for a few kicks. |
| 708 | Not everything that happens in the world can be explained. |