| 看图填入适当的介词。 |
| Look at the picture. The ball is the desk. The ruler is the desk. The backpack is the desk. The pingpong ball is the bag. The pen is the desk. |
| 选择合适的介词填空。 | |
2. They put it ____________ the top. 3. I have two sticks ____________ his arms. 4. What else do you do ____________ spring? 5. Let's go ____________ now! |