4. Fill in the gaps with appropriate article where it’s necessary (a, an, the, -).
a. This is … pen. … pen is red.
b. He would like to visit … Parish.
c. Showdown is a mountain in …Wales.
d. We live on … third floor.
e. … Albert Einstein was a famous scientist
f. Katy is … most beautiful girl of our class.
g. My sister is … artist.
h. He travelled twice across … Pacific Ocean