Ctrl+B = Bold (III), F1 = Help (IV), Ctrl+L = Left alignment (II), Ctrl+O = Open document (I). Correct match: 1-III, 2-IV, 3-II, 4-I.
Note: The NTA heading says 'Match the Respiratory Organs of Animal' but the lists are actually about computer shortcut keys. We have solved it based on the lists shown.