Question

There are six floors _______ our school buildings. Our classroom is _______ the third floor.

A. in; on B. in; in C. on; in D. on; on

Answer 1

A

【解析】

试题分析：句意：我们的教学楼有六层，我们的教室在第三层。在整个大楼有多少层应该用介词in；教室在具体的几层应该用介词on。故选A。

考点：考查介词的用法。