There is________ elephant in the zoo. _______ elephant is very clever. A.a, A B.an, An C.an, The
—________ you open the window, please? —Yes, I can.
There are two dogs in my family. One is white,_____________ black.
I am _______________than my mother, so I am very happy.
—________ is your favorite sport? — Swimming.
Our classroom ________ very big and clean. We enjoy studying there.