it is a good behavior to speak to the old_____(polite)

it is a good it is a good ( ) a good job it is! It is a good point. it is a good day to die 怎么回答Is it a good diet? It is a good place live in. It is a good school in Class2 It is a good idea改为感叹句 A good thing know when it is ( )is it a good idea ____eng aobi is it a good place? it is certainly a good boy it is really a good place还是it is a really good place it is a really good idea .还是 it is really a good idea. Is it a good book?NO,it's ( ) what a good news it is! what good news it is ! 那一句是正确的,为什么? news 啊可数,比如it is a good new 还是 it is good news