单项选择题
If you go to America, you will find that there are better（）by road, rail and air than in London.
A.transport B.traffic C.communications D.vehicle
单项选择题 They handed in their paper（）
单项选择题 We are（）in the future of our motherland.
单项选择题 （）majority of people are highly against the pollution in this city.
