Natalia, ________ exchange student from Spain, is ________ university student in Sichuan now.
a; an
an; the
an; a
a; the
—What are these? —They’re _______ and _______.
He has a ____ daughter.
There is a river ____ my house.
— What were you doing yesterday afternoon? — We were singing ____.
Bill doesn’t do well in his English. So his father asked a teacher ____ him ____ it.