Fill in the blank using 'a'/ 'an':

It is _____ flower.

Fill in the blank using 'a'/ 'an':

______ unicorn.

Fill in the blank using 'a'/ 'an':

____ elephant.

Fill in the blank with "a'' or "an":

____ cup. 

Fill in the blank using 'a'/ 'an':

He is ____ boy. 

Find the wrong usage: 

Fill in the blank using 'a'/ 'an':

I am ____ engineer.

Fill in the blank using 'a'/ 'an':

_____ jug.

Fill in the blank using 'a'/ 'an':

This is ___ ostrich.

Fill in the blank using 'a'/ 'an':

____ pink doll.