单项选择题
A. Finding out the cause of the accident. B. Telling where the nearest hospital is. C. Telephoning a friend or a relative. D. Summoning an ambulance.
A. Go to class. B. Go on a picnic. C. Attend a meeting. D. Attend the rally.
A. He moved to other university. B. He went to the laboratory. C. He was knocked by a car. D. He fell ill.