SORU: cümleler sırasıyla okunduğunda anlam bütünlüğünü bozan cümleyi bulunuz
(I) Visits to the summit of Etna can be very dangerous. (II) This is not only so when eruptions occur at or near the summit. (III) Etna is a surprisingly large mountain. (IV) That's why people can easily lose orientation. (V) Since 1999, four people have been killed by lightning in the higher areas of Etna.