Complete the text with the past perfect form of the verbs in brackets (Hoàn thành văn bản với dạng hoàn thành quá khứ của các động từ trong ngoặc)

A family in Wales has tried, without success, to get their hands on £5,000 which belongs to them. Six months ago, Richard Williams found a note inside a book. It was from his father, Allan Jones, who (1. die) two years earlier. The note told Richard about a metal box with £5,000 inside - money that his father (2. save up) during his lifetime. Before he died, his father (3. bury) the box in the garden, near the house. Then he (4. write) a note for the family. He (5. draw) a small map too, showing the exact location of the money.

Unfortunately, since Allan's death, the Williams family (6. do) some building work. They (7. add) two rooms to the back of house - directly on top of the buried money! “If we tried to get the money now, we'd cause too much damage. It would cost more than £5,000 to repair it,” says Richard, who (8. not know) anything about his father's money until he found the note.