阅读理解，选择正确的答案，将序号填在题前括号里。
Dear Zhang Peng,
Please come to my twelfth birthday party at 6: 30 p. m. on Sunday. Now let me tell you how to come:
1. Start from the bus stop near your home.
2. Take the No. 15 bus.
3. Get off at the cinema.
4. Walk east for five minutes.
5. My home is next to the red building.
6. Look for me near the door.
Yours,
Wu Yifan
1. Zhang Peng is one year older than Wu Yifan. How old is Zhang Peng?[ ]
A. 11
B. 12
C. 13
2. Which bus should Zhang Peng take?[ ]
A. No. 15 bus.
B. No. 50 bus.
C. No. 5 bus.
3. Where should Zhang Peng get off?[ ]
A. At the zoo.
B. At the cinema.
C. At the library.
4. What colour is the building?[ ]
A. White
B. Blue
C. Red
5. Wu Yifan's home is ____________ the building.[ ]
A. next to
B. north of
C. south of
Ca(OH)2（aq），
