A Complete the text with the past simple or past continuous form of the verb in brackets. Eighteen years ago, Graham Tean (0) bought (buy) a metal detector at a sale. Last year he (1) …………… (search) in a field near his home in Cambridge when he (2) …………… (discover) a large amount of Roman gold. He (3) …………… (dig) all night for five nights to get all the treasure. He thinks perhaps somebody (4) …………… (listen) to him reciting a poem about finding gold, and (5) …………… (direct) him to it.​