运用基础知识，完成下列句子。

A．make noise while eating

B．point at others with chopstick

C．say hello to others

D．wipe your mouth after dinner

E．talk loudly at the table

F．kiss or shake hands

G．meet without saying anything

H．arrive too late

I．shake hands when you first meet someone

J．eat while walking in the street

1．It’s rude to ________________________________．

2．It’s polite to ________________________________．