单项选择题The Cooperative Principle was proposed by
单项选择题The main mountain range in the west of US stretching from the Canadian border to New Mexico is
单项选择题Which of the following is NOT an Irish writer
单项选择题Question 9 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 6 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.