It's ____ to talk loudly in a reading room.A.good mannersB.bad manners C.a bad manner D.a good manner 怎么区别有S和无S

It's no ____ with him.A,talk B,talking C,to talk D,talked it's hard to talk to him.同义句He is___　____ ___ ____. It's nice ---(talk) to you It's ____(need) for parents to talk with their children from time to time.还有,sing怎么变成歌曲? it s going to rain,____ ____? It's easy to talk in English is'n it. It's not polite to talk to your mother______that let's talk about something else等于let's____ ____ ____同义句转换,一空一词let's talk about something else= let's____ ____ ____sometimes it's hard for them to tell what is right and what is wrong.=sometimes it's hard for the students to ____ it's ____ to go to work Its a____to talk to you for so long.(please) It's better to do more,and talk ___ (litter) It's lucky __(talk) to an important person It's not p( )to talk with your mouth full It's not p___ to talk in class It's bad m______ to talk with a full mouth I think it's _n___to talk to you. It's impolite to talk ____.答案和讲解A in table B in the table C at table D at the table It's impolite to talk back to your uncle.What's the meaning of talk back to sb. Thank you.