题目

 语法填空According to the World Wildlife Fund, only about 3, 890 tigers are left in the wild. India is home to 70 percent of them, and its role in (make) sure the big cat's survival can't be understated. Tiger numbers in India are believed to have dropped from about 40, 000 at the beginning of the （nine）century to just 1, 800 in the early 1970s, when India launched the conservation program Project Tiger. Kanha was one of the original nine (area) set up under that program. 答案：【1】making【2】ninth【3】areas

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