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

A．an; the

B．an; /

C．a; the

D．a; a

2 . ______ earth is only a small planet in ______ Galaxy.

A．The; a

B．The; the

C．An; a

3 . Which is bigger, ________ sun or ________ earth?

A．a; a

B．a; the

C．the; a

D．the; the

4 . As we know, ________ earth is our home. So we must try our best to make it better.

A．an

B．the

C．\

5 . I want to be ________ astronaut, because I can fly rockets to ________ moon.

A．a; the

B．an; the

C．a; a

6 . I want to be ________ astronaut, because I can fly rockets to ________ moon.

A．a; the

B．an; the

C．a; a

D．an; a

7 . Our teacher told us ________ earth moves around the sun.

A．an

B．the

C．/

8 . Yang Li wants to be ________ astronaut, and she hopes to fly to ________ moon one day.

A．a; an

B．the; an

C．an; the

D．an; an

9 . — Do you often use ________ Internet for shopping?
— Yes, I bought ________ umbrella online just now.

A．/; an

B．/; a

C．the; an

D．the; a

10 . We can’t see ________ sun at ________ night.

A．a; /

B．the; /

C．a; the

D．the; the