单项选择题
Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
A. In 1975. B. In 1964. C. In 1965. D. In 1974.
A. take us in... begin B. had taken us in... began C. has taken us in... began D. took us in... begin
A. a car explosion. B. an insurgent bomb. C. the shooting of the U.S. Marines. D. a suicide bomb.