Fill in the correct prepositions, then make
sentences using the completed phrases.
1 ......... southern Poland: 2 ......... the surface; 3 to travel
Marmaros ......... Cracow; 4 to stop ......... Wieliczka;
5 to carve sth ... rock salt; 6 ......... over seven centuries;
7 she threw her ring ......... a salt mine