2 . —Do you want to be __________ astronaut when you grow up?
—Of course. I also hope to take a spaceship to__________ moon in the future.

A．a; a

B．an; the

C．a; the

D．an; a

3 . ________ Earth is ________ beautiful place to live on.

A．The; a

B．The; the

C．A; a

D．A; the

4 . She is reading ________ article about how to save ________ earth.

A．a; the

B．an; a

C．an; the

D．a; an

5 . According to Daily Mail, China has set up a goal of sending astronaut to ________ moon by 2030.

A．a

B．an

C．the

D．/

6 . The Grand Canyon is ________ great wonder of ________ natural world.

A．an; the

B．the; a

C．the; 不填

D．a; the

7 . —Look at ________ kite. It’s flying high in ________ sky.
—That isn’t ________ kite, Jim. It’s a plane.

A．the; the; the

B．the; the; a

C．a; the; the

D．the; the; a

8 . It was ________ fine day. ________ sun was shining and ________ wind was gentle.

A．a, The, /

B．a, The, a

C．a, The, the

D．the, The, the

9 . —Will it rain this afternoon?
—I don’t think so. Look at _________ sun.

A．a

B．an

C．the

D．/

10 . —Jim is ________ American boy, right?
—Yes. He's from ________ United States.

A．a; the	B．an; the
C．a; a	D．an; a