2. Listen to the following dialogue, and then choose the best answer for each question. PartA-question2.mp3
A、About 5 minutes.
B、About 10 minutes.
C、About 15 minutes.
D、About 20 minutes.
W: How long does it take to walk from this teaching building to the library?
M: About 20 minutes. But if you ride a bike, it takes only about 5 minutes．
Q: How long does it take to cycle from the teaching building to the library?
A、About 5 minutes.
B、About 10 minutes.
C、About 15 minutes.
D、About 20 minutes.
W: How long does it take to walk from this teaching building to the library?
M: About 20 minutes. But if you ride a bike, it takes only about 5 minutes．
Q: How long does it take to cycle from the teaching building to the library?