单项选择题
A. They are very rare. B. They often cause loss of life. C. They always occur in big cities. D. They arouse the interest of all the readers.
A. To hand in their assignments. B. To get his help with the course. C. To help him do office work. D. To talk with him socially.
A. The driver didn’t use his turn signals. B. The driver didn’t come to a complete stop. C. The driver failed to yield to other drivers. D. The driver didn’t slow down.