中国大学MOOC: We should get permission or pay for the use of copyrighted sources except for _____ purpose.
举一反三
- 中国大学MOOC: Although the hall was built many years ago, we still use it for ______ purpose.
- What are the sources we should pay attention to when reading a piece of news?_
- 中国大学MOOC: We should do except ______ when practicing yoga?
- 中国大学MOOC: When we want to get on well with others, we can use jokes。
- 中国大学MOOC: We can use all of the following to support our main point except ______.