单项选择题
Why are some of us good at math, or writing, while others () at art or basketball
A.work B.gaze C.aim D.excel
单项选择题 The goals and desires () widely between men and women, between the rich and the poor.
单项选择题 The attack of the World Trade Center will leave a () impression on those who have witnessed the explosion.
单项选择题 We must try to () the best of our moral values for our children and grand children.