SudiptoGmat wrote:
The ancient Inca city of Macchu Picchu, perched on a ridge in the Andes Mountains of Peru,had been built at a high enough altitude that it often makes modern-day tourists from lower elevations sick with oxygen deprivation.
A. had been built at a high enough altitude that it often makes modern-day tourists from lower elevations sick with oxygen deprivation
B. had been built at so high of an altitude that it often makes modern-day tourists from lower elevations sick from oxygen deprivation
C.
...


.jpg)




