Be polite.You mustn't talk to the old like that.这句话中如何翻译?

Be polite.You mustn't talk to the old like that.这句话中如何翻译? Be polite.You ____ talk to the old like that You should be polite to the old.改为祈使句 （Be polite to the old you mustn't speak to that old man---------- this way. You shouid be polite to the old 改为祈使句 that,very,polite,you,to,wasn't,of,speak,it,like连词成句 the,word 三、 句型转换 31.You mustn’t speak to the elderly like that.(改为祈使句 三、 句型转换 31. You mustn’t speak to the elderly like that.(改为祈使 we shouid be polite to the old people这句话对吗 You mustn't talk in the class. not talk to the old man like that 改错! you didn't use to be like that 翻译