根据首字母填空There is a sign No L＿＿on the wall.Did you s

问题补充：

根据首字母填空There is a sign No L＿＿on the wall.Did you see it?

答案：

Littering

No Littering 不乱扔垃圾

======以下答案可供参考======

供参考答案1:

THere is a sign no LOL on the wall. DId u see it?

供参考答案2:

No Littering 不乱扔垃圾

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