6. The reason why most plastic... their side-effects.
举一反三
- 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.
- 6. The reason why people trade, regardless of where they live, is that they believe they will be _______ ______ by trading.
- The most basic reason why dialects should be preserved is that language helps to _____________ a culture.
- Which of the following may be the most probable reason why people give up studying abroad?
- 中国大学MOOC: The reason why it is called Chinese medicinal herbs is that most of them are from .