Вопрос по английскому языку:

5. Put the verbs in brackets into the correct past tense.
By the time Mark and Steve reached the old cabin in the forest, it
1) …………….. (get) dark and a cold wind 2) …………….. (blow) in
their faces. They 3) ………………. (walk) for more than two hours
and they felt exhausted. It had all begun when they 4) ……………..
(go) into the forest to take photos of trees their environmental group 5)
……………….. (plant) the previous year. Everything 6)
……………….. (go) well until it 7) ……………….. (start) to rain
heavily.
Unfortunately, they had lost their map as they 8) ………………
(cross) a river but after a couple of hours they had found the cabin.
They 9) ……………. (open) the door and 10) …………….. (go) in. to
their surprise, they found three tourists inside. At least they weren’t
alone!