Tom;What colour are the pencils.Mary:It‘ s yellow哪错了

What colour are the what colour are you? What colour are pears? what colour are sunflowers? What colour are those Tom;What colour are the pencils.Mary:It‘ s yellow哪错了 what colour are they可以变成what are they colour? what colour are they?急 what( )《colour) pictuures they are! what colour are the slippers? what colour are the-----(apple) What colour are ____?(you) What colour are my cars? What colour are these_____(tomato)? 选择题--What colour are Tom's shorts?--What colour are Tom's shorts?--_____A.It's green B.Yes,it is C.It is Joan's D.They're red is和are的用法what colour's Tom's umbrella?His umbrella is black.what colour are your books?Our books are red.都是询问颜色的问题,为什么前一句用IS,而后一句用ARE呢? what colour are those?1.bananaa2.orange3.oranges4.red colour What colour------(is,are)the monkeys?