Prefix - im

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Across
  1. 2. Stealing from others is considered wrong and unfair.
  2. 4. The silly behaviour was not very grown-up.
  3. 5. Ava did not want to wait any longer for her turn.
Down
  1. 1. The task could not be completed no matter how hard they tried.
  2. 3. The road could not be travelled on because of flooding.