________ use a variety of different ways to identify and eliminate spam.
举一反三
- He needs to use ____ different skills. A: a variety of B: variety of C: a varieties of D: variety
- Companies can generally use three criteria to identify different market segments:
- In his present job, Mark is responsible for the creation of an entire product and needs to use a variety of different skills.
- For a report that presents examples of the ways different authors develop their characters, you would use writing that emphasizes both _____.
- Which is NOT the ways of adding variety?