Question

1.They felt exhausted that morning because they (drove/had been driving) all night long. 2.The village (was deserted/had been deserted) for years when we first visited it.

Answer 1

1. had been driving
2. had been deserted

Answer 2

1. They felt exhausted that morning because they had been driving all night long.
2. The village had been deserted for years when we first visited it.