Cover of the textbook Outcomes Pre-Intermediate - Student's Book

The key answer of exercise 6

The key to exercise solutions in chapter 16 - A brief history for the textbook Outcomes Pre-Intermediate - Student's Book with authors Hugh Dellar and Andrew Walkley from National Geographic Learning

Question

Work in pairs. Look at the sentences from the article. Explain why each article in bold is used.

Answer

  1. there is only one ninth largest country
  2. one of several examples – there are other exporters
  3. one of several and not important which it is – there are other borders
  4. the Arabs (there are no others); the eighth century (there was only one)
  5. there was only one Soviet Union
  6. if it is ‘the only thing’ then there is only one