题目内容
【题目】选择正确的介词填空。
On over behind under
1. I can see some apples ___________ the tree.
2. There is a pair of shoes ___________ the bed.
3. The trash bin is ___________ the door.
4. The bridge is ___________ the river.
【答案】on/underunder behindover
【解析】
略
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