单项选择题
A．Because they have a driving license. B．Because they have received special training. C．Because the traffic conditions in London are good. D．Because the traffic system of the city is not very complex.
A．aspect B．view C．space D．angle
A．She plans to go to graduate school. B．She will drop out of school. C．She will stop working and concentrate on her studies. D．She will take a part-time job.