The two types of sources are ________ and ______.
举一反三
- The two types of agranulocytes are _____ and _____.
- For citation of the content, there are two methods: quoting the original sources directly and paraphrasing the sources with your own words.
- There are two types of domestic visitors:
- There are two types of social practices. they are _____________ and _____________.
- The two major types of facilities are