单项选择题How often did the Head of Government of the Commonwealth usually meet for exchange of ideas
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Question 9 is based on the following news. At the end of the news item, you will be given I0 seconds to answer the question. Now listen to the news.