How long characteristics must be present at least before death can be declared
举一反三
- There are at least three items that must ______ present in the structure of a building.
- How long in your present job?
- How long is being president with the US at least？
- How long should the author be allowed to present the paper?
- 中国大学MOOC: You will need to use persuasion if you anticipate resistance or if you must prepare before you can present your ideas effectively.