1- Assinale a alternativa que completa corretamente os espaços com as preposições (in -on-at):
Jessica is a good student. She studies
Tuesdays. She studies
the USA
the morning, but she has English class only
Havard University. It is best University
a) In-on-at-in
b) At-In - at - on
c) In-In-at- at
d) On-on-in-in​