情景交际。
A: Excuse me. 1 the post office?
B: Go down this street and turn right at the second crossing. Go up the road to the end, you'll find it.
A: 2 ?
B: It's about 500 meters away from here.
A: Oh, that's quite a long way.
B: Yes, __ 3 take a bus.
A: 4 ?
B: You can take the No.7 bus. It'll take you there.
A: 5 ?
B: It takes about fifteen minutes.
A: Thanks very much.
B: My pleasure.
