1 . Look! There are so many stars in ________sky.

A．a

B．an

C．the

D．/

2 . Rivers low, mountains high, the same moon in _________sky.

A．a

B．/

C．the

3 . —Please look at ________ moon in the sky, Lily.
—Wow! It looks like ________ round plate (盘子).

A．a; the

B．the; the

C．the; a

D．a; a

4 . Many more people have realized saving_____________ earth begins with small things.

A．a

B．an

C．the

5 . Perhaps there will be no water or air on _________ Earth.

A．a

B．an

C．the

D．/

6 . It was ________ cold winter night and the moon was shining brightly across ________ night sky.

A．a; the

B．a; a

C．the; a

D．a; /

7 . We took ________ tour by coach to ________ Summer Palace.

A．a; the

B．a; /

C．an; the

D．an; /

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

A．a

B．an

C．the

9 . They are having ________ great time under ________ sun.

A．a; an

B．an; a

C．an; the

D．a; the

10 . ________ moon is smaller than ________ earth.

A．A; a

B．The; a

C．The; the

D．A; the