What causes traffic jams?That's easy:too many cars

What causes traffic jams?That's easy:too many cars 阅读What Causes Waves? what causes headache为什么是 causes , what causes them?的翻译 what causes the generation gap? What are the causes of crimes? what are the causes for certain crimes what heavy traffic还是what a heavy traffic ‘It was carelessness that causes the traffic accident’中的cause为啥要加s Every year driving too fast causes a lot of traffic accidents what causes them的答语是不是用because开头 what are the causes of the accident 同义句 英语翻译7.Traffic jam is a problem in most cities all round the world at present.What causes the problem?Make some recommendations.8.Many females join the army in some countries.Some people think women should not be allowed to serve as soldiers.D traffic traffic traffic traffic traffic