The sky why is the blue是宾语从句吗?

The sky why is the blue是宾语从句吗? Why is the sky blue? Why the sky is blue? 天空为什么是蓝的?Why the sky is blue ? The sky is blue why the sky is blue 的成分分析 翻译英语句子"why is the sky a blue color?" THE SKY IS BLUE怎么样 what the sky is blue ______ blue the sky is! The sky is light blue why the sky is blue好象不对,那么Can you tell me why the sky is blu