have a knowledge

have a knowledge 英语是have the knowledge of English还是have a knowledge of English a knowledge people from different backgrounds and have a good knowledge of You have good knowledge 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? 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? Students today have a lot of pressure ------- they have to learn too much knowledge填空 knowledge 不可数 ,为啥a good knowledge? what knowledge还是what a knowledge To be qualified for the job,_________.A.profound knowledge in electronics is needB.it is required that one has profound knowledge in electronicsC.one needs to have profound knowledge in electronicsD.profound knowledge in electronics is important问 have (a) good knowledge of English中该不该有a? a working knowledge of Why is it becoming more and more important to have a good knowledge of English? Only when you have acquired a good knowledge ______ fulfill the task. I got lost .I have no_____of direction A:sense B:ability C:knowledge D:feeling The underlining principle is that American people have a knowledge right.是宾语从句吗? if you have a profound knowledge,that is what i mostly expected是什么意思