Cover of the textbook English Grammar in Use

The key answer of exercise 115.1

The key to exercise solutions in chapter Unit 115 - unless / as long as / provided for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press


Write a new sentence with the same meaning. Use unless in your sentence.


  1. You won’t pass the exam unless you try a bit harder.
  2. You won’t know what to do unless you listen carefully.
  3. I’ll never speak to her again unless she apologises (to me). / Unless she apologises (to me), I’ll never speak to her again.
  4. He won’t understand you unless you speak very slowly. / Unless you speak very slowly, he won’t understand you.
  5. The company will have to close unless business improves soon. / Unless business improves soon, the company will have to close.
  6. The problem will get worse unless we do something soon. / Unless we do something soon, the problem will get worse.