请问有谁知道some和a certain在用法上的区别?

请问有谁知道some和a certain在用法上的区别? some 和certain的区别有哪些? 请问a certain和certain a哪个是某一的意思? a certain man 和 the certain man 的区别这题怎样解说?-Mr.Wang,___want to see you this afternoon!-Who is it?a.a certain man b.a some manc.the certain man d.certain man 请问a certain与certain a有什么区别?“某一个”或“某人”这里应该用哪个呢？ 请问a certain与certain a有什么区别?“某一个”或“某人”这里应该用哪个呢? certain things 和 some things 有什么区别? 前者一般用在什么当中? they want to ____theatre A some a B a some C certain a D a certain 选什么?为什么 怎么翻译draw some cartoons on a certain subject at some certain time a certain certain和sure有什么区别 英语用法和区别certain otherbe certain that 和be certain of的区别和用法other用法others,another,other,some...other的区别 请问a certain amount of 这个词组的准确意思 Some people will be able to see certain things.哪位高人 请问这是什么意思?谢谢 I remember reading about the professor in __magazine.A.a some B.some of C.a certain D.certain of选什么为什么? 几道关于形容词和副词的高一英语题11.I can't open the lock.There must be ____ key that will open it.A.some B.certain请问为什么不选择B呢29.Which of the two pictures do you think is ____?A.much more beautifulB.the less beautiful 英语 请问这里的certain什么意思?A few days ago I met a certain young V