The passive: past simple.
Put the verbs in the past passive to complete the sentences.
Some snapshots of the history of Liverpool

Liverpool once had a beautiful castle.
It was built (build) in the thirteenth century but it 1................(destroy) in 1644 during the English Civil War.
Liverpool became important when the docks 2..............(construct) in the eighteenth century.
The docks 3........(use) by large sailing ships. Coal, salt and glass 4......(sell) to the rest of the world, often in exchange for slaves. A huge amount of money 5......(make) through the slave trade.
The slave trade 6.......(abolish) in 1807 and cotton became Liverpool's biggest success.
The Albert Dock 7.....(open) in 1846 by Prince Albert, husband of Queen Victoria, but 8......(close) as a working dock in 1972.
It 9......(re-open) ten years later as a shopping and tourist area.