Put the verbs in brackets in the correct Passive tense. THE MOSCOW KREMLIN The word 'kremlin' 1) (use) to describe a Russian castle or fortress. The Moscow Kremlin is the best known Kremlin of all. The wall around the Moscow Kremlin dates back to 1156, and at first it 2) (make) of wood. Since then, it 3) (rebuild) with stones. The Kremlin 4) (use) as the centre of Russian government until 1712. Four palaces and four cathedrals are some of the structures that can 5) (see) at the Kremlin. In 1990, the Moscow Kremlin 6) (name) a World Heritage Site. It 7) (estimate) that over a million people visit the Kremlin every year and it 8) (visit) by many more tourists in the future.