单项选择题
A．The latest computer technology. B．The organizing of an exhibition. C．The purchasing of some equipment. D．The dramatic changes in the job market.
A．At a fair. B．At a cafeteria. C．In a computer lab. D．In a shopping mall.
A．The man is generous with his good comments on people. B．The woman is unsure if there will be peace in the world. C．The woman is doubtful about newspaper stories. D．The man is quite optimistic about human nature.