Ответ:

Решение:

Вот заполненные пропуски:

  1. probable - probably
  2. research - research
  3. popular - popular
  4. use - use
  5. shop - shopping
  6. deliver - delivery
  7. populate - population
  8. institute - institutions

Ответ: probably, research, popular, use, shopping, delivery, population, institutions.