1 . Peter, do you know who is the first man to walk on ________ moon?

A．a

B．an

C．the

D．/

2 . As we all know, ________ earth moves around ________ sun.

A．A, a

B．a, the

C．The, a

D．the, the

3 . Amy is _______ unusual girl. She has traveled to 15 countries in _______ world.

A．a; the

B．a; \

C．an; the

D．an; one

4 . Neil Armstrong is the first man________.

A．walk on the moon

B．walk on moon

C．to walk on the moon

D．to walk on moon

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

A．不填；a	B．a; the
C．the; a	D．the; 不填

6 . There is no living thing on __________moon.

A．the

B．a

C．不填