【题目】根据中文翻译，写出介词。
1. The toy car is______( 在...之上）the box.
2. Where is my pencil? –It’s ______( 在...之下）your book.
3. --Dad, where is my basketball? --Look, It's ______( 在...后面）the door.
4. -- Is the bag on the desk? -- No, it isn’t. It’s ______( 在...里面） the big box.
【答案】1. on2. under3. behind4. in
【解析】
略
