1 . —How often does your brother use _______ Internet?
—He uses it at _______ least three times a week.

A．the; the

B．/ ; the

C．the; /

D．an; /

2 . When I was in Sanya, I enjoyed ________ moon at night.

A．/

B．a

C．the

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

A．a

B．an

C．the

4 . ________ moon is very bright at night.

A．A	B．An
C．The	D．/

5 . —Earth is ________ only home to everyone.
—Let’s try to make it ________ greener world to live in.

A．a; a

B．a; the

C．the; a

6 . The Shenzhou-14 manned spaceship returned to ________ earth safely from space in December.

A．a

B．an

C．the

D．/

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

A．a; the

B．an; the

C．a; a

8 . As ________ earth moves around ________ sun, we can have different seasons.

A．the; the

B．an; the

C．an; a

D．a; a

9 . London is in the south of England and it is on ________ River Thames.

A．a

B．the

C．an

D．/

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

A．an

B．the

C．\