________(laugh)at others is not polite.
laugh at等于It's not polite to laugh at others.It's not polite
It is not polite. laugh at people
It is not polite to laugh() others
it's not polite to laugh at others这里的to laugh是什么成分
It is not polite to stare at others.
It is not polite to s_ at others.
it is not good for us ( laugh) at others
Laughing at others is not good laugh为什么加ing?
to laugh at others is
It's not good to ________ others .A.laugh at B.shout at C.po
It isn't polite ______( laugh ) at others
Laughing at others is not good laugh,others后为什么加is