方位介词in/on/under的用法 — 英语选择题
题目
Look at Tom's room. His cap is under the chair. His schoolbag is on the desk. He puts the cap in the schoolbag, then puts the schoolbag in the box. Where is the cap now? A. It's under the chair. B. It's on the desk. C. It's in the box. D. It's on the bed.