HA LONG BAY , ONE OF THE MOST PICTURESQUE SIGHTS IN VIETNAM, WAS……...

20. Ha Long Bay , one of the most picturesque sights in Vietnam, was………byUNESCO as World Heritage Site.A. realized B. known C. signed D.recognizedII. Circle the word (a, b, c or d) that has the underlined part pronounced differently from theothers.