Read the excerpt from Martin Luther King Jr.’s "I Have a Dream” speech. 1) We have also come to this hallowed spot to remind America of the fierce urgency of now. 2) This is no time to engage in the luxury of cooling off or to take the tranquilizing drug of gradualism. 3) Now is the time to make real the promises of democracy. 4) Now is the time to rise from the dark and desolate valley of segregation to the sunlit path of racial justice. Which sentence contains the strongest use of emotional connotation? Sentence 1 Sentence 2 Sentence 3 Sentence 4