Fred plays _____ piano after _____ supper every day.
A. the; the                   B. /; the                       C. the; /

A horse is _______ useful animal.

My birthday is coming. Dale will send me       e-dog as my birthday present.　　
A. a       B. an       C. the    　　

Justin Bieber is ________ Canadian singer and he has lots of fans.

My mother is        English teacher in No. 2 Middle School.
A.   a          B.   the         C.   an          D,   /

—Did you get there by ______ bike?
—No, I took ______ taxi.

--Do you know ______ man in blue? 
--Yes, he’s a professor of_________ university.

This is        empty bottle. Could  you  give me      full one?

— Have you seen______ pen? I left one here this morning.
— Is it___________ black one? I think I saw it somewhere.

—What’s your favourite fruit?
—Apples. You know, _______ apple a day keeps the doctor away.