是a series of factors还是a series of reasons

是a series of factors还是a series of reasons a series of A series of contests 后接are 还是is答案上是are,但A series of不是整体吗 a series of a serious of 区别 the last of a series of competitions a number of factors could account for index notation 句子是express the number 1960 as a product of prime factors,giving your answer as a product of prime factors in index notation. a series of ,后面加什么词 a series of books翻译成中文 用a series of造句,急用! set down a series of的意思 英语中有很多的固定搭配 如 a series of 那在分析成分的时候 是不是说 a series 是 宾语 of +名词 是定语如 he has a series of books.还是说 book是宾语.a series of是介词短语? i studied hard and has/have gained a series ofi studied hard and has/have gained a series of scholarship 一句话是用have 还是has 怎么区分 a series a series a series a series of和a trail of的区别 a series of后是不是可以跟可数复数名词,也可以跟不可数名词?a series of development a series of books