Cover of the textbook Solutions Advanced - Workbook

The key answer of exercise 4

The key to exercise solutions in chapter 4A - Changing world for the textbook Solutions Advanced - Workbook with authors Tim Falla and Paul A. Davies from Oxford University Press

Question

Listen to six speakers. Complete the summary with the correct form of the verb phrases from exercise 3.

Answer

  1. varied widely
  2. gradually evolving
  3. completely transformed
  4. making a tiny adjustment
  5. made an ingenious modification
  6. underwent / has undergone genetic mutations

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