根据短文内容的理解，选择正确单词填空。

A. endangered   B. way    C. in the future   D. importance     E. hard   F. most

    An education program in Chengdu teaches children in cities about pandas and other  animals. They send people to schools to tell children about the  of saving these animals. The children sing songs or make artwork about pandas and other wild animals. Teaching children is one  to help save pandas. The Chinese government is also trying  to help save the pandas. Scientists are doing research to better understand the habits of pandas. We all hope that  there will be a lot more pandas than now.