They are in ____ same grade, but in ____

试题详情及答案解析: They are in ____ same grade, but in _____ different classes.
A. the, \ B. a, the C. the, the; 答案：A; 试题分析: 句意：---他们在相同的年级，但是在不同的班级。此题考查冠词，因为same前要有the，different前不用an；根据句意，故选A。
考点：考查冠词。