Cover of the textbook English Grammar in Use

The key answer of exercise 57.1

The key to exercise solutions in chapter Unit 57 - Verb + -ing or to ... 2 for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press

Question

Put the verb into the correct form.

Answer

  1. to keep
  2. to reach
  3. knocking
  4. to put
  5. to concentrate
  6. asking
  7. calling
  8. to remember
  9. restarting