1 . Jerry is eating _______ ice cream in _______ sun.

A．an; the

B．an; /

C．a; the

D．a; a

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

A．a; the

B．an; a

C．an; the

D．a; an

3 . On Mid-Autumn night Chinese people admire ________ moon and eat mooncakes.

A．a

B．an

C．the

4 . China has set a goal of sending astronauts to ________ moon.

A．a

B．an

C．the

5 . Everyone should play ________ part in saving ________ earth.

A．a; an

B．a; the

C．the; /

D．the; an

6 . More and more people realize saving ________ earth begins with small things.

A．a

B．an

C．the

D．/

7 . —Everyone in the world should play ________ role in saving ________ earth.   
—I agree with you. It is our home.

A．a; the

B．a; an

C．the; a

8 . —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

10 . 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