Cover of the textbook Focus 3 - Workbook

The key answer of exercise 4

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

Question

Choose the correct option in the second sentence so that it has a similar meaning to the first.

Answer

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