Odpowiedź:
1 ... hasn't erupted for...
2 ... didn't find them until...
3 ... her a month to recover...
4 ... have been trying to find...
The volcano has been active for the past 25 years.
They didn't find them until the storm had passed.
It took her a month to recover from the accident.
They have been trying to find the cause of the forest fire.
Wyjaśnienie:
Ok :)
