3 a The National Park is a clean and quiet place, so we chose to go there. b The National Park is a clean and quiet place, so we choosed to go there.

Решение:

Сравниваем два предложения:

• a) The National Park is a clean and quiet place, so we chose to go there.
• b) The National Park is a clean and quiet place, so we choosed to go there.

В варианте b допущена орфографическая ошибка в глаголе 'choosed'. Правильная форма прошедшего времени глагола 'choose' — 'chose'. Вариант a использует правильную форму.

Ответ: a) The National Park is a clean and quiet place, so we chose to go there.