Cover of the textbook Focus 3 (2nd edition) - Workbook

The key answer of exercise 4

The key to exercise solutions in chapter 3.10 - Self-check for the textbook Focus 3 (2nd edition) - Workbook with authors Daniel Brayshaw, Dean Russell, Anna Osborn and Amanda Davies from Pearson Education

Question

Choose the correct form in the second sentence so that it means the same as the first.

Answer

  1. must be
  2. can’t be
  3. can’t have been
  4. could have sprayed
  5. must have forgotten

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