There are four types of blood, all types are found in every race.（)
举一反三
- We need all types, but Type 0 is especiallyimportant because it s compatible with every blood type.
- There are four blood types； Type A, Type B, Type AB and Type O.
- All citizens of a society are subjected to the four types of social control as described by Donald Black.
- What are the four types of writing？
- What are the four types of informative speeches?