通读全文，根据短文理解，根据括号里的单词的提示并用其适当形式填空。

    As we all know, one of Thailand's symbols  (be) the elephant. It is also a symbol  good luck.

    Elephants are smart animals. They can play soccer or music. They can also draw very  (good). People say that "an elephant never forgets". Elephants can walk  a long time and never get lost. They can also remember places water and food. This  (help) them to live.

    elephants are in great danger. People cut down many trees so elephants are  (lose) their homes now. Today there are only about 3,000 elephants. We must save the trees and not buy things  (make) of ivory.

    Elephants are our good friends. I think people all over the world must work together to save  (they)!