Complete the sentences with words from the box.

disappearing ; among ; danger; Red ; save ; care; eat;

1. Many animals and birds on the Earth are _________________________.
2. Many of them are in _______________________.
3. Polar bears and reindeer are ___________________them.
4. We can find polar bears and reindeer in the __________________ Book.
5. They don't often have good things to ______________________.
6. We must ______________wild animals.
7. We must take ____________________of nature. ​