1.These exhaust fumes are the greatest source of lead pollution in cities.
2.Today there is increased opportunity for the talented,both poor abd rich,to receive an education.
3.She wrote to him almost every day even though he never answered.
这个貌似是:即使他从不回信她还总是每天写信给他。
求大神帮忙啊- -
后天要交卷拉 
2.Today there is increased opportunity for the talented,both poor abd rich,to receive an education.
3.She wrote to him almost every day even though he never answered.
这个貌似是:即使他从不回信她还总是每天写信给他。
求大神帮忙啊- -
后天要交卷拉 
