bad manners manner是可数名词?

bad manners manner是可数名词? It is____to share at people.A.a bad manner.B.bad manner.C.bad manners It is _____ not to say “excuse me” when one interrupts impolitely选项:a、bad manner b、bad manners c、a bad manner d、the bad manner lt is ____not to say excuse me when one has to interuptA a bad manner B the bad manner C bad manners D bad manner manner和manners 在做礼仪礼貌解释时有何不同?manners可数还是不可数?我留意到manner在作礼貌,规矩;习惯解时,常用pl也就是复数形式,可在baidu词典上也看到这句话：It is bad manners to interrupt.用谓语is 关于Manner的问题it's bad manners.其中的it's 和manners 一起出现要怎么解释呢? It is bad ______to speak with your mouth full of _____________.A.manner;food B.manners;foods C.manner;foods D.manners;food it is ---to sit with your feet pointing to another person1.It is ___ to sit with your feet pointing to another person.A.good manners B.a good manner C.a bad manner D.bad manners Good manners and bad manners Lt's bad---to speak with your mouth full of food应选 A manner B manners C way D thing It is bad ___ to speak with your mouth full.A way B manner C manners D methods it's bad manners在这里,bad manners是作为单数出现的么? it is good manners to wait in line.既然是is 后面为什么是manners （manner的复数形式） manner与manners的区别?very thanks manner与manners有什么区别? bad manners 中文翻译 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 is bad manners to interrupt ,明明是manners,前面为什么用is