Choose the correct form of the verb:
London (was not built, did not build) as a city in the same way as many other cities.
First at this place a Roman fortification (built, was built).
Then a wall around the town (built, was built).
People (built, were built) outside the walls during a long period after the Norman Conquest.
This building (continued, was continued) over the years.
The city (was, has been) practically destroyed during the plague and the Great Fire in the seventeenth century.
The city (was, has been) rebuilt later.
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