Контрольные задания > 10. The ancient manuscript was discovered while archaeologists... a site for a new hotel.
1) were digging up
2) were dug up
3) dug up
4) have been digging up
Вопрос:
10. The ancient manuscript was discovered while archaeologists... a site for a new hotel.
1) were digging up
2) were dug up
3) dug up
4) have been digging up