It's polite _____ him ______ so.A.for;to do B.of;doing C.of;

It's easy ( )the work.A.to doing B.of youto do C.for you to It's a bit strong of him to do so. It's polite of/for to do,该用哪个? It's unfair of him to pay for everything,______?A.isn't it B It's very kind ( )you to say so.A.to B.of C.for It’s time _____ listen to some music.A.to B.for C.with D.of 1.( ) is kind ( ) you to do so. A.It;of B.It;for C.This;of D It's wrong___ him to do the work.(of / for) It's important___the piano well.A.of him to play b.for him t it‘s important__ the pianowell. A. of him to play B.for him It is polite for/of you to do,哪个对? It's polite of sb to do sth 准确翻译