Questions & Answers about Ciao! Questa è mia sorella.
Why is it Questa instead of Questo?
Why is there no article before mia sorella? Don't Italian possessives usually need one?
Why does è have an accent mark?
The accent mark distinguishes it from another very common word. With the accent, è means is (from the verb essere). Without the accent, e means and.
I have heard Ciao means goodbye. Why is it used as hi here?
Ciao is a very common informal greeting that means both hi and bye. You use it when greeting a friend or family member, and also when leaving them. Since this is an introduction, it means hi here.