Complete the following passage.

Built more than 4,000 years …………………. (ago / back / before) in southern England , Stonehenge ‘s circle of tall, massive stones …………………………. (may have used / may have been used / have been used) to keep track of astronomical events and to honor the dead.

A village of small houses that may have sheltered the builders of the mysterious Stonehenge ……………………. (has unearthed / has been unearthed) by archeologists. Eight of the houses, with central heaths, …………………………. (had excavated / have excavated / have been excavated) and there may be as many as 25 of them. The ancient houses are at a site ……………………. (know / knew / known) as Durrington walls, less than 3.2 km away from Stonehenge. It is also the location of a wooden version of the stone circle. The village was carbon dated to about 2600 BC, about the same time the Stonehenge ……………………….. (built / was built / were built). 

Solution

Built more than 4,000 years ago in southern England , Stonehenge ‘s circle of tall, massive stones may have been used to keep track of astronomical events and to honor the dead.

A village of small houses that may have sheltered the builders of the mysterious Stonehenge has been unearthed by archeologists. Eight of the houses, with central heaths, have been excavated and there may be as many as 25 of them. The ancient houses are at a site known as Durrington walls, less than 3.2 km away from Stonehenge . It is also the location of a wooden version of the stone circle. The village was carbon dated to about 2600 BC, about the same time the Stonehenge was built.