Cover of the textbook English Grammar in Use

The key answer of exercise 95.3

The key to exercise solutions in chapter Unit 95 - Relative clauses 4 for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press


Are these sentences OK? Correct them (and put in commas) where necessary. If the sentence is correct, write 'OK'.


  1. Anna told me about her new job, which she's enjoying very much.
  2. My office, which is on the second floor, is very small.
  3. OK
  4. Sarah's father, who used to be in the army, now works for a TV company.
  5. OK
  6. The sun, which is one of millions of stars in the universe, provides us with heat and light.