Question

【题目】The old man lives ______ the ______ floor. I often go there to help him.

A. in; two B. on; second C. to; second

Answer 1

【答案】B

【解析】句意：那个老人住在二楼，我经常去那里帮助他。在几楼，用介词on；two基数词，表示数量；second序数词，表示顺序。二楼，second floor。结合句意及结构，故选B。