---- Is that pen? ----- No, It is eraser.A. a; a B. a; an C. /;an
-----How’s it ________ ? ------Great.
Here is a _______.
-----Is Henry cleaning his room? ---- ________ .
-----______ are the students talking ______? ----- A policeman.
It’s four o’clock in the afternoon. The boys __ in the pool.