阅读下面短文，根据短文内容，简要回答所提问题。
Subject: Complaints
Date: May 30, 2007
From: David@hotmail.com
To: Glasgow@silverline.com
Dear Sir or Madam,
Last Thursday, I traveled in the 8:40 am train from Glasgow to London King's Cross and I was very
unhappy with the service provided by your company.
The train was forty minutes later leaving Glasgow. Although the guard apologized, we were not given
any reasons for the delay. We then had further delays when the train crew changed. We had to wait another
thirty minutes. As a result, I missed my flight from London Heathrow to Frankfurt and had to wait for
several hours.
What's more, the service in the train was also very poor. The trip took over five hours. Unluckily, there
was no dining car in the train and only a bar with soft drinks. The worst of all, the air conditioning broke
down halfway through the trip and it got hotter and hotter in the train. However, there was no apology for
this, and before we reached King's Cross, the temperature was over 40℃. In view of the poor service, I
feel I am entitled to compensation. I am looking forward to hearing from you.
Yours faithfully,
David Robertson
1. What time did the train start its trip to King's Cross that morning?
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2. What happened to David because of the delay of the train?
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3. Why did it get hotter and hotter in the train?
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