have you been reading?

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Across
  1. 2. in which Holliday did I send this mail
  2. 4. what was the 1st word you used in your latest email
  3. 5. which marsupial is big and lives in Australia
  4. 7. is there COVID 19 in Tasmania
Down
  1. 1. the instrument I play
  2. 3. what is the subject of this exact piece of mail
  3. 6. the 1st 2 letters of the alphabet