1. a lot of animals extinction nowadays. a) threaten b) face c) survive d) damage 2. dolphins and whales are a) wild b) domestic c) mammals d) birds 3. as the hole continues to the planet is in danger, a) realize b) find c) destroy d) grow 4. people are responsible most of environmental problems. a) for b)of c) at d) on 5. visitors and traffic pollution ancient sites such as stonehenge a) face b) worship c) damage d) survive 6. water pollution is harmful sea life. a) of b) at c) on d) to 7. the ozone layer the earth. a) grows b) surrounds c) melt d) waste 8. it's too cold. i close the window. a) will b) am going to c) want d) won't 9. i'm sure he pass his exam. a) want b) will pass c) is goingto d) not ​