单项选择题
A.The man went to a wrong check-in counter. B.The man has just missed his flight. C.The plane will leave at 9:14. D.The plane’s departure time remains unknown.
A.They are interested in other kinds of reading. B.They are active in voluntary services. C.They tend to be low in education and in income. D.They live in isolated areas.
A.A job opportunity. B.A position as general manager. C.A big travel agency. D.An inexperienced salesman.