Which is the superlative form of "popular"?
the most popular
Which is the superlative form of "wet"?
the wettest
Which is the superlative form of "crowded"?
the most crowded
Which is the superlative form of "famous"?
the most famous
Which is the superlative form of "dry"?
the driest
Which is the superlative form of "cold"?
the coldest
Which is the superlative form of "busy"?
the busiest
Which is the superlative form of "high"?
the highest