大学四级对话理解

大耳朵英语　 http://www.ebigear.com　 2003-08-30 13:58:23　 【打印】

A)The man’s
B)Sidney’s
C)Susan’s
D)The woman’s .
M: My grades are higher than Susan’s and lower than Sidney’s
W: And mine are higher than Sidney’s.
Q: Whose grades are the lowest?