Cover of the textbook Focus 3 - Workbook

The key answer of exercise 5

The key to exercise solutions in chapter Self-check 1 for the textbook Focus 3 - Workbook with authors Daniel Brayshaw, Bartosz Michałowski, Vaughan Jones and Sue Kay from Pearson Education

Question

Choose the correct options.

Answer

  1. has known
  2. has been worrying
  3. 've understood
  4. has been singing
  5. have been meeting

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