we sell the book ( )a good price A.on B.at C.for D.in 要有解释越快越好!
问题描述：
we sell the book ( )a good price A.on B.at C.for D.in 要有解释越快越好!
答
at
sell at a good price为什么求解释！？一般以多少价格卖出，就是用at这个介词，at the price