方位介词in/on/under的用法 — 英语选择题
题目
Look at Amy's desk. The English book is on the desk. Her pencil is in the pencil-box. Where is the pencil-box? It is under the chair. Where is the pencil? A. It's on the desk. B. It's in the pencil-box. C. It's under the chair. D. It's on the chair.