-er -er词尾词缀练习

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Across
  1. 4. a student in a school who carries out special duties, such as helping the teacher
  2. 6. the person who directs or controls a group, organization, country etc
  3. 7. a person that you do not know
  4. 8. a machine for printing text on paper, especially one connected to a computer
  5. 10. a person who writes books or the person who wrote a particular book
Down
  1. 1. a person whose job is to put out fires
  2. 2. a person in your family who lived a long time ago
  3. 3. someone whose job is to give advice to people about the law and speak for them in court
  4. 5. a home appliance for washing clothes automatically
  5. 9. someone who is the first to think of or make something