Put the adjectives in the superlative form. 1.london is_ city in the uk. (crowded).2.the beatles are _ music group from liverpool. (popular).3.horse riding is one of _ sports of the uk. (beautiful).4.travelling around britain is_ tring to do. (exciting).5.stonehenge is one of_ sights in the uk. (interesting).6.city hall is one of_ buildings is london. (modern)