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

A．the; the

B．an; the

C．an; a

D．a; a

2 . —Jim is ________ American boy, right?
—Yes. He's from ________ United States.

A．a; the	B．an; the
C．a; a	D．an; a

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

A．a

B．an

C．the

D．/

4 . _____UN report says Chinese Mobile Payments （支付）is changing _____ world .

A．An; the

B．A; the

C．An; a

D．A; a

5 . _______ sun is shining brightly.

A．A

B．An

C．The

D．/

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

A．A, a

B．a, the

C．The, a

D．the, the

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

A．a; the

B．a; \

C．an; the

D．an; one

8 . 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

9 . _______ Changjiang River is one of ______ longest rivers in ______ world.

A．The; the; the

B．The; a; a

C．A; the; a

D．/; the; the

10 . 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