Practice question

In Text B, the sentence 'arriving aircraft may be instructed to hold' contains the modal 'may', which here expresses:

  1. Possibility — the instruction is one of the options available, not a certainty
  2. Obligation — every aircraft is required to hold in all storms
  3. Permission requested by the pilot from the passenger
  4. Past habit — aircraft used to hold regularly years ago

Answer: A — Possibility — the instruction is one of the options available, not a certainty

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