1 . Our teacher asks us to write ________ article every week.

A．a

B．an

C．the

D．/

2 . I have ________ important dinner at 6:30 this evening.

A．a

B．an

C．the

D．/

3 . Xiaoxue often plays ________ instrument after school.

A．a

B．an

C．two

D．/

4 . —You’ve missed ______ “s” in the word “grasshopper”.
—Oh, ______ letter “s” should be doubled.

A．a; a

B．an; a

C．an; the

D．the; the

5 . Mary’s mother is ________ engineer in that factory.

A．a

B．an

C．/

D．the

6 . Shanghai has ________ international film festival every year

A．a

B．an

C．the

D．/

7 . —We will take ________ exam tomorrow.
—Good luck to you.

A．a

B．an

C．two

D．/

8 . We are going to have ________ party on Father’s Day.

A．a

B．an

C．the

D．不填

9 . —There is _______ orange backpack on the floor. Whose is it?
—Oh, it’s _______. Thank you.

A．a; mine	B．an; mine
C．an; my	D．an; me

10 . I think playing ________ football is ________ good way to learn the spirit of teamwork.

A．a; the

B．/; a

C．the; a

D．/; the