补全对话。
A: Excuse me. Can you help me? I'm 1 for the post office.
B: 2 , I'm new here. You may ask that policeman.
A: Excuse me. Which is the 3 to the post office?
P: Go 4 Red Star Road, and 5 the second turning on the 6 , go across the 7 and walk on,
then turn 8 at the second crossing. You'll find it at the 9 of the road. It's next to the 10 .
You can't miss it.
A: Thank you very much.
P: It's a pleasure.
