Cover of the textbook Performer B2 - Workbook

The key answer of exercise 9

The key to exercise solutions in chapter Unit 5 - Global issues for the textbook Performer B2 - Workbook with authors Marina Spiazzi, Marina Tavella, Margaret Layton from Zanichelli

Question

Complete the sentences with the verbs below and a modal of deduction.

Answer

  1. must be
  2. can't have been
  3. must have tried / might have tried / may have tried / could have tried
  4. may be / might be / could be
  5. may take / might take / could take / may be taking / might be taking / could be taking
  6. may not have / might not have
  7. can't know
  8. must have arrived

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