ответить на вопросы
1) What time does the coach leave?
2) What time does the coach arrive?
3) How long does the journey take?
4) What time do we come back?
5) How long do we have at the lake?

1. The coach leaves at 9 o'clock.

2. The coach arrives at 10 o'clock.

3. The journey takes 8 hours. (если считать с 9 до 17: покинули отель в 9, приехали назад в 5 часов)

4. We come back at 5 o'clock.

5. We have 6 hours at the lake.