单项选择题
A. we need to learn the skills of talking. B. listening is easier than talking. C. it is important to be an attentive listener. D. we should talk less and do more.
A. from unsafe blood B. from malaria C. from risky sexual encounters D. from AIDS
A. She has never been to Gettysburg. B. She took a political science course. C. Her family still goes on vacation together. D. She’s interested in the United States Civil War.