Question

use a or an

a) Is the lion African animal?
b)Mary is guide at zoo.
c)San Diego is important city in California state.
d)Is football game with elephant possible?
e)Is Rio de Janeiro Brazilian state?

Answer 1

a) Is the lion an African animal?
b) Mary is a guide at zoo
c) San Diego is an important... 
d) Is football a game...
e) Is RJ a Brazilian...