Can you tell me how many colours __ in a rainbow A.there are

can you tell me how many colours [there are] in a rainbow 为什 how many colours are there in a rainbow= how many colours are there in the rainbow? 1/为什么是Do you know how many colours there are in the rainbow? Little Tom asked how many colours in a rainbow? would you please tell me( A.how many days are there in a wee Can you tell me how many students ( ) in your class? A there there are 和are there有什么区别.how many colours there are in a ra Can you tell me how many people there are in that city?请写一句话 改错题Can you tell me how many people are there in your family? How many people are there in China?in 2008,Who can tell me? How many people are there in China now?Who can tell me?