Do you know your ouch! from your ugh!? How about yippee! and hooray!? These words are called interjections. There are about six interjections in this dialogue. Which interjection is used to express relief? #learnenglish #vocabulary #elt For more on interjections: http://www.bbc.co.uk/learningenglish/english/course/intermediate/unit-22/session-1