1 . He is ________ excellent scientist in the world, who is ________ honour to his hometown.

A．a, a

B．an, an

C．a, /

D．the, the

2 . —It is terrible that I made ________ mistake. But I won’t make the same one for ________ second time.
—Never mind. Nobody is perfect.

A．a; a

B．a; the

C．the; the

D．a; /

3 . — GPS is ________ useful invention.
—Of course. It shows that there is ________ underground parking lot under the Moon Park.

A．/; an

B．a; an

C．an; an

D．an; a

4 . She was admired by all her friends because the famous university offered her ________ extra chance after ________ last week’s interview.

A．/, the

B．an, the

C．an, /

D．the , /

5 . I am going to have _________ picnic on _________ Sunday.

A．the;an

B．an;the

C．a;不填

D．an;不填

6 . We must try to reach ________ agreement if we don't want to lose ________ face.

A．the; a

B．/; the

C．an; /

D．an; the

7 . Do you think it is ________ good manners to hear others' conversations in ________ curious manner?

A．the; a

B．/;/

C．/;a

D．the; the