单项选择题
The coach explained the regulations at length to make sure that none of his players world become violators.（）
A. at last B. at large C. in detail D. in short
单项选择题 While Maggie, a white-collar worker, was at home after work, she （）doing something to doing nothing.
单项选择题 In the eighteenth century, the town of Bennington, Vermont, was famous for pottery.（）
单项选择题 （） Roman mythology, god Jupiter was accepted as the most powerful one.
