- Some students often drop litter carelessly in our school. What can we do?
- We can _______ some signs to remind them not to do that again.
| A．put up | B．put off | C．put away | D．put on |
相关试题
根据句意和图画或首字母提示完成单词拼写（每小题1分，共8分）
It’s a r.
It’s a k. 
It’s j.
It’s an o.What’s this in E______?
Can you s______ it, please?
And w______ this?
Sit down , p______.
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