a good knowledge of history is very important and ( )for us all

people from different backgrounds and have a good knowledge of TV is a good -------(mean) of getting knowledge. knowledge 不可数 ,为啥a good knowledge? _____ of English is essential for those who apply for the post A good knowledge B a good knowledge C godd knowledges D the good knowledge I want an good assistant with a good knowledge of Latin I want an good assistant with the good knowledge of Latin. I want an good assistant with good knowledge of Latin 哪句对? 说下理由 a working knowledge of have a good knowledge of这个短语的意思是什么,以及它的用法是什么,例外就是knowledge具体用法? 英语怎么解?With so many people ____ in English,it will become more and more important to have ____ of English.A.communicate; good knowledge B.communicating; good knowledge C.communicating; a good knowledgeD.communicate; a good knowledge have (a) good knowledge of English中该不该有a? Why is it becoming more and more important to have a good knowledge of English? a good knowledge of history is very important and ( )for us all 『求助翻译』A good knowledge of English is necessary. Only by work ing hard can you a_ a good knowledge of English补全单词 a powerhouse of knowledge是什么意思? have a knowledge of 和 have an idea of用在“了解”这个意思,knowledge和idea用法有什么区别吗?比如：have a knowledge of / have a good knowledge ofhave an idea of / have no idea of另外,有have no knowledge of这种用法吗? a wide range of knowledge =a wide knowledge吗 英语翻译“I will spare no effort to have a good command of advanced knowledge of MBA.看看有无 英语是不是每个不可数名词前加形容词都可以构成可数短语?像knowledge 可以变成 a good knowledge of...