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It's good manners to...
It's bad manners to...
keep quiet in the library
help the old cross the street
queue for your turn
pick flowers in the park
drop litter everywhere
leave the tap running﹨on
push in before others
We should get rid of(革除) these bad manners!!!
The mayor(市长)
Make some public signs to warn them not to do so.
How to improve the situation?
Talk to them and give them some advice.
Make laws to punish them
No smoking
No parking
No photos
No littering
These signs all warn us not to do something.
public signs
Keep quiet
No eating or drinking
Keep off the grass
bright
notice easily
pictures
help undertsand
public signs
keep us safe from danger