Charles Lindbergh made the first nonstop solo flight across the Atlantic Ocean in 1927. The flight took thirty-three hours. Which correctly combines the two sentences to form a compound sentence? A nonstop solo flight across the Atlantic Ocean in 1927, Charles Lindbergh made first that lasted thirty-three hours. The flight took thirty-three hours that Charles Lindbergh made first; nonstop solo flight across the Atlantic Ocean in 1927. Charles Lindbergh made the first nonstop solo flight across the Atlantic Ocean in 1927; the flight took thirty-three hours.