Cover of On Screen B1+ - Student's Book

Answer — Exercise 5

Progress Check 6·On Screen B1+ - Student's Book

Question

Choose the correct items.

Answer

  1. mustn't (it's forbidden)
  2. can't be (negative logical assumption)
  3. couldn't (past)
  4. should (advice)
  5. don't have to (it's not necessary)

More exercises in Progress Check 6