Cover of English Grammar in Use

Answer — Exercise 57.1

Unit 57 - Verb + -ing or to ... 2·English Grammar in Use

Pergunta

Put the verb into the correct form.

Resposta

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

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