如果是疑问的话 应该是 are there,不知道是不是因为前边有话所以要说 there are ,不应该用过去时态,因为彩虹的颜色是个事实,用一般时态额…还有一个问题哈The sentence " I really don't know ()" is wrong.A what i should call himBwhat should i call himC what to call him Dwhat he's called我选了A ，答案是B 为什么可以看出你的问题是对疑问句的倒装不太明白建议你看看相关资料，具体的我也不是能讲的很明白