Questions 8 and 9 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each of the following questions. Now listen to the news. According to Mr. Verleger, what is the most important change in the global energy economy in 30 years

单项选择题Why were female cats usually employed by the Post Office

单项选择题The holiday began as a way to honor soldiers killed during ______.

单项选择题Question 10 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question.Now listen to the news.

单项选择题When did Post office in Britain employ cats

单项选择题In 1066, Britain was conquered by ______.