问题 填空题 读句子，选择适当的词填空。under on in 1. The bird is ___________ the box.2. The bird is ___________ the chair. 3. The bird is ___________ the bed.4. The man is ___________ the tree.5. The man is ___________ the desk. 答案 1. in 2. on 3. under 4. under 5. under
The bird is ___________ the box.
The bird is ___________ the chair. 
The bird is ___________ the bed.
The man is ___________ the tree.
The man is ___________ the desk.