It is ______ popular way among the young people to chat on the Internet now.

A. a B. an C. the D. /

Let’s have ____ break; I want to make_______ telephone call.

A. the; the B. a; the C. the; a D. a; a

--Mary, do you have ________e-mail address? I want to send you some photos.

--Yes, I do. It's mary999@ sohu. com.

A. a B. the C. / D. an

Beijing, _______ capital of China, has _______ long history.

A. a; a B. /；the C. the; a D. the; /

— Do you know ______ girl who is standing under ____ tree?

— Of course! She is Lucy, my classmates.

A. the, the B. a, a C. a, / D. /, the

There is _____ old book on the desk.

A. a B. an C. the D. /

I often go to school by ___ bike.

A. the B. a C. / D. an

Tim wants to be _________ actor.

A. a B. an C. / D. the

—Why do you like Eric?

—Because he is honest boy.

A. a B. / C. the D. an

Your brother has bad cold, and you must give him some medicine this afternoon.

A. / ; the B. / ; / C. an; / D. a; /