According to news reports personal of guns in the USA causes a lot of trouble.A. wealthB

问题补充：

According to news reports, personal of guns in the USA causes a lot of trouble.

A. wealth

B. possession

C. matter

D. problem

答案：

A. wealth

(答案→)B. possession

C. matter

D. problem

解析：考查名词辨析：A. wealth财产，B. possession所有物，拥有C. matter物质，D. problem问题，句意是：根据新闻报导，美国个人拥有枪支导致很多问题。选B。