Complete each sentence with the correct form of the word given in brackets. Then press "Check" to mark your answers.
  1. UNICEF actively (promote) quality education for children around the world.
  2. Roman architecture is known for its triumphal arches, which were (erect) to celebrate the victories of the Emperor.
  3. Recent scandals have seriously (erode) public support for the Prime Minister.
  4. Pel was a (spectacle) football player, one of the best in the history of the game.
  5. We always get the (lean) piece of meat we can find because everyone in our family dislikes fat.
  6. Visitors to this country are advised to boil their water as a (caution) against disease.
  7. If laid out in a straight line, the average adult's (circle) system would be nearly 60,000 miles long - enough to circle our Earth two and a half times.
  8. His (reck) attitude towards his own safety is going to cost him his life one day.
  9. The number of visitors to the museum (vary) from day to day. Some days the place is really packed, and other days it's dead slow.
  10. The leaves of the tree were (shiver) in the winter winds.