Present Perfect vs Past Simple

Fill in the gaps by choosing the correct option. Then press "Check" to check your answers.
Use the short form of the auxiliary (didn't, wasn't, weren't) verb where possible.
DO NOT press 'Check' during the exercise because it will affect your final score.
Archaeologists (find) 3,500-year-old mummies in Egypt. Something like that (find) before. There are 3 mummies of a woman and her two sons. The woman (be) probably the wife of a royal goldsmith called Amenemhat. When the archeologists opened the tomb, they (find) a statue of the goldsmith with the woman. The tomb is near Luxor on the River Nile. The woman (be) about 50 when she died and she (die) from a bone disease.

This is one of the most preserved tombs that (ever be) discovered and people are hoping that the discovery will boost tourism and local economy with this new discovery. "Our team (have) very challenging time since we started this project and we hope that our efforts will pay off".