etiquette

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Across
  1. 1. used instead of 'who' as the object of a verb or preposition
  2. 4. used when the person or people being spoken to both cause and are affected by an action
  3. 6. used as the object of a verb lor preposition to show that each member of a group does something to or for other members
  4. 9. used to refer to somebody or something that has already been mentioned or is easily understood
  5. 10. used to say what feature or quality is important in deciding something
  6. 11. used to refer to persons or things that are not near the speaker
Down
  1. 2. the reflexive form of 'I'
  2. 3. used with plural nouns to mean 'the two' or 'the one as well as the other'
  3. 5. synonym of each other
  4. 7. used in questions to ask somebody to be exact about one or more people or things from a limited number
  5. 8. used with plural nouns and and a plural verb to mean ' a small number'