Словообразование упражнение №13
Read the texts below and decide what part of speech in A, B, C or D best fits each gap in the sentences.
A (1) _______ lighthouse is a structure from which light is projected at night, or which serves as a marker by day, (2) _______ ships (3) _______ in coastal waters. Lighthouses are constructed at important points on a coastline, at (4) _______ to harbours and estuaries, on rocky ledges or reefs, on islands, and even in the water. Lighthouses help (5) _______ a ship's location, warn ships of (6) _______ hazards, and (7) _______ them that land is (8) _______ .
Lighthouses differ from smaller beacons in that a lighthouse includes (9) _______ quarters for a lighthouse keeper. Today, however, most lighthouses use automatic electric lights that do not (10) _______ a full-time resident operator.