Multiple choice

Directions: Choose a suitable option to fill in the blank:

Lake Pontchartrain is crossed by the world's —.

  1. most longest highway built over water

  2. most long highway built over water

  3. longer highway built over water

  4. longest highway built over water
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The correct superlative form is "longest highway built over water." Adding "most" before a superlative is redundant and grammatically incorrect. "More" and "most long" are wrong because "long" forms its comparative and superlative as "longer" and "longest."

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