The sun is warm,the sky a perfect blue后句话是什么语法呀 是省略is吗

The sun is warm,the sky a perfect blue后句话是什么语法呀 是省略is吗 The sky is blue The sky why is the blue是宾语从句吗? Today is fine.The sun is ____（照耀）.The sky is blue. THE SKY IS BLUE怎么样 what the sky is blue Why is the sky blue? Why the sky is blue? ______ blue the sky is! The sky is light blue 英语翻译一、 It's Sunday.The sky is blue and the sun is bright.Prt I like sky is blue,the silent.这个句子是正确的吗?主语是什么?