Решение:
A - "After some hours of walking we got lost in a maze of unfamiliar streets."
- Выбираем вариант 2: some
B - "My parents were determined not to panic but with one wrong turn after another..."
- Выбираем вариант 3: but
C - "We tried communicating with locals who spoke a different language..."
- Выбираем вариант 3: communicating
D - "...that was on our hotel brochure!"
- Выбираем вариант 4: our
E - "Now it feels like an unexpected adventure that we will always remember."
- Выбираем вариант 1: feels
Итак, ответы для пропусков:
B - 3 (but)
D - 4 (our)