单项选择题
M: Did you see Mrs. Scott this morning W: Yes, she was sitting at her desk when I came into the office.
A. Sitting on her desk. B. Sitting at her desk. C. Standing near her desk. D. Walking on her desk.
A. New York. B. Rome. C. Paris. D. San Francisco.
A. had followed B. would follow C. follow D. have followed