There's a series of figures:1,10,101,1010,10101,101010…please add the first figure to the 100th figure,thenumber on the hundredth decimal of the answer is( ) 今天就要

Between us,why there is a series of problems? a series of 是a series of factors还是a series of reasons There have been a whole series of accidents on this road 改错 a series of a serious of 区别 the last of a series of competitions 关于a series of作主语,谓语用单数为什么这里用have been,也可以填a series of There have been （a series of）books about harry potter who has magic powers..书上又说a series of作主语,谓语用单数.并举例如下：There has 帮我解一道英语奥数There's a series of figures:1,10,101,1010,10101,101010…please add the first figure to the 100th figure,thenumber on the hundredth decimal of the answer is( ) There's a series of figures:1,10,101,1010,10101,101010…please add the first figure to the 100th figure,thenumber on the hundredth decimal of the answer is( ) 今天就要 Recently there ( )been a series of car accidents at the crossing.A have Bhad C has Dhaving 求详解,there has been a ___ of accidents at the crossroad.A series B variety C number D lot There has been a（ ）of accidents at the crossroads.A.series B.variety C.number D.lot 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 A number of people were reported to__in a series of explosions .A number of people were reported to__in a series of explosions on London's transport system on Thursday morning.A.had been killedB.have been killedwhy we choose There is还是are a series of accidents?就是谓语动词用单数还是复数那a series of 前面的谓语动词是用单数还是负数呢