Questions & Answers about Metto il libro sul ripiano.
Why does the sentence use il and not un before libro?
Is sul a single word, or is it a contraction?
Sul is a contraction of su il, literally meaning on the. In Italian, prepositions often combine with definite articles to form one word. So sul = su + il.
What does ripiano mean exactly?
Ripiano can usually mean shelf or flat surface. In this context, it implies a shelf or a ledge where you can put the book.