Cover of the textbook New Total English Upper-Intermediate - Students' Book

The key answer of exercise 7

The key to exercise solutions in chapter 9.2 - It's a mystery! for the textbook New Total English Upper-Intermediate - Students' Book with authors Araminta Crace and Richard Acklam from Pearson Education

Question

Complete the sentences using must / might /can't / couldn't (have) and the correct form of the verb in brackets.

Answer

  1. can't have forgotten
  2. must have seen
  3. might have gone
  4. must have told
  5. must be
  6. can't / couldn't have spent
  7. might be
  8. can't / couldn't have left