how many colours are there in a rainbow= how many ___ ____ a rainbow___?

How many colours are there in the text?What colours are they? how many colours are there in the rainbow? 解释下面的两个问句How many colours are there?How many stars are there? how many colours are there in a rainbow= how many ___ ____ a rainbow___? there are 和are there有什么区别.how many colours there are in a rainbow为什么不能用how many colours are there in a rainbow 1/为什么是Do you know how many colours there are in the rainbow?而不是Do you know how many colours are there in the rainbow?2/How many colours are there in the rainbow?是否正确? how foolish you colours are! can you tell me how many colours [there are] in a rainbow 为什么不是are there?3Q colours,do,like,you,how,many?连词成句 colour是可数的不,可不可以说how many colours 连词成句 colours many can how you se连词成句colours many can how you see 初一英语填空1.It is cild c____the windows.2.What colours ______ they?3.How many ______ are there in your classroom? how many bears are How many derks are how many trees are how many books are Can you tell me how many colours __ in a rainbow A.there are B.are there C和D我知道是错的 就A.B不知 They are in ( ) colours