为什么是it is good/bad manners to do sth.manners不是复数嘛?什么时候单复数出现不一致的特殊情况?类似的固定搭配还有吗？多谢指教^^

什么是帕累托劣势,请尽量详细点,A game with two Nash Equilibria,one is good,one is bad,one is really quite bad,it's pareto dominated. It is bad /good for...造句各2个翻译 is it good for for us or bad for us failure is not bad,it's not good,either Graffiti is it good or bad求英语短文,题目是Graffiti- is it good or bad? 为什么是it is good/bad manners to do sth.manners不是复数嘛?什么时候单复数出现不一致的特殊情况?类似的固定搭配还有吗？多谢指教^^ The food is ____cooked,but it tastes___.A、well,well B、good,bad C、well,bad D、good,badly it is good (of )you (to be always thinking )of others括号中为什么是填这啊? it is not necessary a bad thing.麻烦解释一下句子的结构 ,为什么是用necessary而不是necessarily? Is it that bad? it is not good for us to fight with others 这里为什么it is not good for us to fight with others 这里为什么是to fight Hope is a good breakfast,but it is a bad supper.的中文翻译是什么啊 Bad news good news is alwalys good 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） Do you think it is good or bad to play games on net?Why?英语回答 There is nothing either good or bad,but thinking makes it so.英语高手翻译 Is it good or bad for us to take mobile phone英语作文怎么写 It is not easy to tell a good book from a bad one翻译下