lt is good to speak to the old polite

lt is good to speak to the old polite It is polite ___( speak) to the old ______( polite). It is [polite]for him to speak to the old than before it is a good behavior to speak to the old_____(polite) 改错：It is not polite speak to the old in a loud voice We should speak to the old people （polite） It's__of you not to speak to the old man__.A.polite,politly lt is not p( ) to shout to the old people You must speak to the old_____(polite). 1.Children should speak to old people______(polite). You should be polite to the old.改为祈使句 （Be polite to the old 为什么I don't know if is polite to speak loudly at the table中if