选词填在横线上。
must They on looking park stay
Danger public not walk touch make
Ma Bing and his cousins are[[QOrDeR]]at some【小题2】signs【小题3】the Internet.【小题4】mean different things. We shouldn’t【小题5】on the grass. We should【小题6】【小题7】noise in the【小题8】. The sign near the river（河）means “【小题9】!”. We【小题10】【小题11】away from the river. The paint is wet （油漆未干）. We should not【小题12】it.
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