Consider the title of the text: “Europe's hottest winter”, which sentences are grammati...

Consider the title of the text: “Europe's hottest winter”, which sentences are grammatically correct?

I- The best place to find cold weather in Germany is in the state of Bavaria.

II- The Strait of Dover is the narrowest part of the English Channel.

III- Italy is the eldest country in Europe.

IV-Austria is voted the worse country for skiing in Europe.

V- By surface area, France is the most large country and Malta the smallest.