Many species of animals have now（ ）from the face of the earth.
A: vanished
B: died
C: ceased
D: extinct
A: vanished
B: died
C: ceased
D: extinct
举一反三
- Many species of animals have now from the face of the earth.
- Many species of animal have now __________ from the face of the earth. A: dissolved B: vanished C: faded D: escaped
- According to the lectures, how many species have gone extinct on earth?（ ） A: 1000. B: 1 million. C: 1 billion. D: 2700.
- Many species of animals which once lived on the earth are no longer in ____.
- Make the choice: A: Many more animals will die out if the forest continues to be destroyed. B: Many more animals have the instinct of protecting themselves from being extinct. C: The forest will become extinct if animals are killed. D: Many more animals are living in the forest.