1 . What_________ big success! We were all excited when the three astronauts came back safely.

A．the

B．an

C．a

D．/

2 . This is ________ story of friendship. Let’s read ________ story together.

A．a; an

B．an; the

C．an; a

D．a; the

3 . —A Bite of China is ______ documentary I’ve introduced to you several times.
—It’s great. I’ve never watched ______ more attractive one.

A．the, a

B．the, the

C．the, /

D．a, the