Boy and girl study together in a bus and her house unaware of being to

Please help me find this movie Probably an italian movie in which a boy and a girl study togther just before the exam in a bus and her house,eats together but not knowing that they are together.

Its a old movie and in one scene when the boy and girl go to her house for study as exam is 8 hour late, they met with fews dogs and buy trick them to run away

–

Hold old do you think this movie is (in years)? What do you mean by saying that they study together but they don't know, that they're together?

–