My sister and I are not in different ____

试题详情及答案解析

My sister and I are not in different _____, but we are in the same _____.

A．school ; grade	B．grades ; school
C．grade ; schools	D．schools ; grades

答案：B

试题分析：句意：虽然我的妹妹和我不是在不同的学校，但是我们在同一年级。谓语是are, 故表语是复数形式。故选B。
考点：考查名词复数的用法。