ROUND 3 OF 3. EXTRA & MISSING WORDS Info: Read the passage aloud to identify extra or missing words. You are more likely to hear errors than you are to catch them during a silent read. Example: In addition (to ) his pioneering work on on (1 on ) photosynthesis, Ingenhousz helped promote inoculation against smallpox. 230 views𝓜𝓻.𝓣 , 12:20