Write a letter of complaint. The air - conditioner of the room in the hotel you are living in doesn’t work properly., You called the room service department several times, but nobody was sent to check it. Write a letter to the manager of the hotel to complain about it and ask for immediate action from the hotel. You should write approximately 100 words. Do not sign your own name at the end of your letter. Use "Wang Ning" instead. You do not need to write the address.
【参考答案】
[参考范文] Dear manager, I’m now living in your ......