阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。

World Pangolin (穿山甲) Day is on the 【小题1】 (three) Saturday of February each year. This year, it fell on Feb 18. It’s a day 【小题2】 (help) people learn more about pangolins.

According to the International Union for the Conservation of Nature (IUCN), more than 1 million pangolins have been killed or sold in the last 10 years. The growing demand for their scales and meat is the main reason for their decline. 【小题3】 (luck), this situation is getting better. The Chinese government has banned buying and eating the animal. Breaking this law will be regarded as a crime.