It is polite of us to give our seats to_____(患病的)people on the bus

It is polite of us to（ ） the food on your plate It is polite of us to give our seats to_____(患病的)people on the bus it is happy _______ us to help people in need.----Yes.And it is polite _____ us to do so.it is happy _______ us to help people in need.----Yes.And it is polite _____ us to do so.A.for ,for B.for ,of C.of ,for D.of ,of It is polite for/of you to do,哪个对? Each of them is polite to us.同义句They__ __ __ __to us. I ___to leave without __goodbye.该选什么?a think it is not polite,sayb thinks it is not polite,sayingc don't think it is polite,say d don't think it is polite,saying I ___to leave without __goodbyea think it is not polite,sayb thinks it is not polite,sayingc don't think it is polite,say d don't think it is polite,saying 英语翻译Be politeBeing polite is a good tradition in our country.Nobody likes a person who is impolite.It 's important for us to be polite.We should be a polite student.As a polite student,we shouldn't talk at class.If we have questions,we should Is it polite for us to ask about a girl is age? it is polite to do Jack,___eat in class.It is not polite.Adon't Bdoesn't Cno D not It is polite ___( speak) to the old ______( polite). to,is,not,cut,polite,short,of,you,the,it,speaker连词成句,谢谢叻~ 用it is polite that.造句 It is polite ( ) in public places It is not polite. laugh at people Is it polite to eat noisily? it is polite to follow them