—Excuse me. Where is the museum???

—It is quite far. It will take you half ___ hour to go there by _____bus.

A. an; /?????????? B. an; a????????? C. a; /?????????? D. /; /

1 

A:     1   , where is the nearest police station, please?

B: I’m sorry , I don’t know.     2    .

A:      3   .  Excuse me, where is the police station, please?

C: It’s over there.      4      

A: Thank you very much.

C:      5     .

A:     41  , where is the nearest police station, please?
B: I’m sorry , I don’t know.     42   .
A:      43  .  Excuse me, where is the police station, please?
C: It’s over there.      44     
A: Thank you very much.
C:     45    .

—Excuse me. Where is the museum???

—It is quite far. It will take you half ___ hour to go there by _____bus.

A.an; /?????????? B. an; a????????? C. a; /?????????? D. /; /

— Excuse me, Where is the zoo?

—Sorry, I don’t know. Ask that policeman. He ____ know.