It means normal and polite social ____(behave)

It means normal and polite social ____(behave) It means normal and polite social behavior是什么意思 behave in a serious and polite manner behave in a serious and polite manner 翻译 All the boys and girls should behave _____(polite) we should obey social rules and behave properly 初三英语,And ____（最后）,it is a social activity填哪个单词? 1.It is normal that ____ your classmates. Those who have no idea ____ being polite means will pay the It's ____ (polite) to smoke in public It`s polite ____(come)here on time. It means "I agree with you.",____ ____?