中国大学MOOC: Pollution____serious problems in our life.
举一反三
- Misunderstanding can cause serious problems so we should try our best to avoid misunderstanding in our daily life. Is that right? A: Yes B: No
- Pollution has become a great ________to our daily life.
- It is generally believed that the (increase) __________ air pollution has caused serious problems such as global warming.
- 中国大学MOOC: Trees __________ __________ our pollution, our __________. 树木净化我们的污染，我们排放的碳。
- Our friendship will make a difference ___ our life, not just here and now, but also in our future life.