2014春季英语人教版新课标必修3u5 sectioniii语言点二检测（1）及答案重点练习 canada is our neighbour canada and the united states are neighbours.they are on the same land.they share(共有)the same long boundary(国界).these two nations are same in many ways.canada buys many goods from the united states.cars and clothes are two examples.the united states also buys goods from canada.much of the paper used in
