Gerunds and infinitives

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Across
  1. 2. give attention to a sound
  2. 7. engage in physical activity to sustain or improve health and fitness
  3. 8. take part in ( a sport, activity)
  4. 9. use time and attention to gain knowledge
Down
  1. 1. go to see and spend time with somebody
  2. 3. be in a state of sleep
  3. 4. go somewhere to collect somebody
  4. 5. to look at and understand the meaning of something written
  5. 6. look at or observe attentively for a period of time