中国大学MOOC: 6. The reason why most plastic packaging materials don’t get recycled is that many people don’t realize their side-effects.
举一反三
- 6. The reason why most plastic... their side-effects.
- Why don't many people in New York City want a car?( )
- 中国大学MOOC: Don’t bring in ________ materials in the Conclusion.
- Most people don’t like doctors ______ don’t smile.
- The main reason why people hardly drink alcohol is that parents don't allow their children to drink.