laugh at等于It's not polite to laugh at others.It's not polite

laugh at等于It's not polite to laugh at others.It's not polite it's not polite to laugh at others这里的to laugh是什么成分 It is not polite. laugh at people It is not polite to laugh（） others Don't l______ at others It's not polite it's not polite ()others.to shout at 还是shout at It's not good to ________ others .A.laugh at B.shout at C.po It isn't polite ______( laugh ) at others 英语翻译Some small children dont't know it's not polite to laugh 英语翻译Some small children don't know it's not polite to laugh It's not polite to s___ at your parents. It is not polite to stare at others.