End Of The World Phrases

noun A word that represents a person, place, thing, or idea. In this case, 'doom' is a noun.

preposition A word that shows the relationship between a noun (or pronoun) and other words in a sentence. In this case, 'of' is a preposition.

• The hero bravely faced the imminent danger as he approached the crack of doom.
• We better get out of here before we reach the crack of doom!
• Dude, we're heading straight for the crack of doom, we need to turn back now!
• The ominous clouds gathered overhead, signaling the approaching crack of doom.