Grammar focus

Student book,

page 137, 3A,

Exercise a Answers
  1. met
  2. was fixing
  3. had fallen
  4. was trying
  5. was walking
  6. saw
  7. offered
  8. became
  9. met
  10. was
  11. had fallen
  12. had broken
  13. was
  14. had injured
  15. started
  16. were waiting
  17. arrived
  18. had become
    19.