Ответ:

Перевод задания: Дополните предложения подходящим словом.

Выбираем слово по смыслу и грамматической сочетаемости:

  1. streets very crowded — очень людные улицы;
  2. heavy traffic — интенсивное движение;
  3. some peace and quiet — немного покоя и тишины;
  4. the high cost of living — высокая стоимость жизни;
  5. friendly and helpful people — дружелюбные и отзывчивые люди.

11 He spent the morning in Birmingham, but found the streets very crowded.

12 Her cousin hates driving in heavy traffic.

13 They went for a run in the country because they wanted some peace and quiet.

14 He enjoys living in the city, but he doesn't like the high cost of living.

15 John lives in the country because he likes the friendly and helpful people.

Ответ: 11 — crowded, 12 — heavy, 13 — peace, 14 — cost, 15 — helpful.