题目内容：
Question 47Read the letter from Ms. Xiao Hua.
Mnager
Big Hotel
Dear Sir
at your hotel last week and was satisfied with the service. However,
cheked, the bill again and found that you have"charged me too much. I paie have the the bill again found that ＄1000 for 5 nights, but I think it should＄850. I would be grateful if you could send rne a check for the difference-＄150.
yours falithfully ,
xiao Hua
Write a reply to Ms Xiao Hua:
apologizing.
explaining how the mistake was made.
confirm you will send the check.
offering a special discount for her next stay.
Write about 60-80 words.
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