It is not polite to s_ at others.

It is not polite to s_ at others. It's_(polite)to shout at others. It is not polite to stare at others. laugh at等于It's not polite to laugh at others.It's not polite It is not polite to laugh（） others It is not polite to interrupt others when it's not polite ()others.to shout at 还是shout at it's not polite to laugh at others这里的to laugh是什么成分 to stare at others for a long time is not polite It is not polite to keep silent when others want to have a ( IT IS ( )TO STARE AT OTHERS WHEN WE TALK TO THEM.1,POLITE 2F Don't l______ at others It's not polite