题目

________， the headmaster rose to indicate that the conversation was ________. A . At an end; in an end B . In the end; at an end C . In an end; at the end D . At the end; in the end 答案：B5．一条裤子的价格是75元，是一件上衣的$\frac{3}{4}$，一件上衣多少元？