Complete each sentence with the correct form of the word given in brackets. Then press "Check" to mark your answers.
  1. They lived like (savage) in the wilds of Alaska for ten years with no heat, no electricity, and no running water.
  2. The meanings of symbols are (arbitrator) determined by the people who create them.
  3. He's a very (material) person and only thinks about cars and clothes.
  4. Only about 20 percent of diamonds are made into jewels; the rest are used to make (tool) such as dental drills and metal cutters.
  5. In 1968, an American bomber aeroplane carrying (arm) hydrogen bombs crashed near Greenland.
  6. The floor of the ocean is not flat and featureless, but (contain) many fascinating landforms.
  7. With their upturned mouths, dolphins look like they are always (grin).
  8. Someone once remarked that the road to success is always under (construct).
  9. There is a Chinese proverb which states that a wise man adapts himself to (circumstance), as water shapes itself to the vessel that contains it.
  10. She made a delicious chocolate cheesecake (lace) with Gran Marnier liqueur.