a / an apple
an apple
a / an taxi
a taxi
a / an book
a book
a / an car
a car
a / an umbrella
an umbrella
a / an rabbit
a rabbit
a / an insect
an insect
a / an egg
an egg
a / an ball
a ball
a / an orange
an orange
a / an ant
an ant
a / an snake
a snake
a / an bird
a bird
a / an fish
a fish
a / an train
a train