2．Tigers which are_______ danger of dying out, is_______ the animals that need our help.

3．She turned round and there was an antelope_______ a sad face looking _______her.

4．The chair rose again and almost _______once they were _______thick rain forest.

5．_______ a result, farmers like us and no _______hunt us.

6．They lived on the earth tens of millions of years ago, long before humans came _______being.

7．This is the animal that has disappeared_______ the earth.

8．They can fly so far because_______ the flying machine.

9．I will help you if you pay attention_______ what I have said.

10．I believe that you are concerned _______animals and plants disappearing.