Complete each sentence with the correct form of the word given in brackets. Then press "Check" to mark your answers.
  1. Matter exists in three (state): solid, liquid and gas.
  2. Three children in India die from water- (transmit) diseases every minute.
  3. Division within the party is being blamed on (reaction) who refuse to accept the will of the majority of members.
  4. The Education Minister's (discreet) in criticising the party leader may well cost him his job.
  5. The railway station was (pack) with people when we got there.
  6. Gorillas, (danger) in most other parts of Africa, are said to be so common in the nation of Gabon that they've almost become a problem.
  7. At the beginning of (democratic) in America, the right to vote was restricted to white male property owners.
  8. The weather had been really bad for quite a while, but (recent) it has started to warm up a bit.
  9. In April of 1932, after five years of research, an American science professor (isolate) vitamin C.
  10. Traders and explorers have (venture) into African territories since pre-Roman times.