It is polite ______ to other people's question.A.answer.B.to answer.C.reply.D.to reply为什么不能选B？

It is polite ___( speak) to the old ______( polite). it is polite to do 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 Older people must be spoken to_______(polite).Is it a new car or a ______(two)-hand one? 翻译:及时的回复别人的信件是有礼貌的it is polite to reply _____ ______ in time (1)______(not do)that again,It's not polite.(2)This is a ____(please) concert. It isn't polite ______( laugh ) at others laugh at等于It's not polite to laugh at others.It's not polite to _____ ______ ______ others. laugh at等于It's not polite to laugh at others.It's not polite to _____ ______ ______ others. It is polite ______ to other people's question.A.answer.B.to answer.C.reply.D.to reply为什么不能选B？ It is not polite _____(speak) loudly in the library. It is not polite to stare at others. 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