题目内容
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. |
on in under behind under
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
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. |