The boy lay on his back his teeth ＿＿and his glarin

问题补充：

The boy lay on his back,his teeth ＿＿and his glaring eyes ＿＿＿.A.set； looked B.set； looking C.setting； looked D.setting； looking＿＿＿＿＿Sunday,the students are at home.A.Being B.To be C.It is D.It being

答案：

后一题两个句子间不能直接用逗号分开,之间要有连词,例如and,so等等,It being Sunday,构成独立格结构,在句子中作原因状语,所以是选D

======以下答案可供参考======

供参考答案1:

D两空的时态应保持一样, 他躺着的时候伴随的状态 应用进行时

A现在分词做时间状语,

供参考答案2:

D，并列，平衡，表示他躺着的时候伴随的状态