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Задание 1 Tom was tired because the inspector had been asking him questions for more than an hour.

Задание 2 Kim had been fishing for 2 hours before he caught the first fish.

Задание 3 We had been discussing the problem for more than two hours before we found the right solution.

Задание 4 Paul had been waiting for an hour before he saw his mum getting off the tram.

Задание 5 Driving to work was difficult as it had been snowing all night.