Cover of the textbook English Grammar in Use

The key answer of exercise 79.4

The key to exercise solutions in chapter Unit 79 - Singular and plural for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press


Most of these sentences are wrong. Correct them where necessary.


  1. Three years is a long time
  2. OK / has decided
  3. wearing black jeans
  4. OK
  5. very nice people
  6. Ten pounds isn’t
  7. buy some new pyjamas / buy a new pair of pyjamas
  8. OK / The committee hasn’t
  9. There was a police officer / a policeman / a policewoman
  10. What are the police
  11. The scissors aren’t
  12. OK