If nothing is done to protect the environment, millions of spiders that are alive today will have become ________.
举一反三
- If nothing is done to protect the environment, millions of spiders that are alive today will have become ________. A: A deteriorated B: B degenerated C: C suppressed D: D extinct
- If nothing is done to protect the environment, millions of species that are alive today will have become （） A: deteriorated B: degenerated C: suppressed D: extinct
- If<br/>nothing is done to protect the environment, millions of species<br/>that are alive today will havebecome _________. A: deteriorated B: degenerated C: suppressed D: extinct
- Every ten minutes, one kind of animal, plant or insect______ for ever. If nothing is done about it, one million species that are alive today will have become extinct twenty years from now.
- 1.The colleges today have become the ( ) in the world.