2.The boy lay on his back his teeth ＿＿and his glar

问题补充：

2.The boy lay on his back,his teeth ＿＿and his glaring eyes ＿＿＿.A.set；looked2.The boy lay on his back,his teeth ＿＿and his glaring eyes ＿＿＿.A.set；looked B.set；looking C.setting；looked D.setting；loo

答案：

set ones teeth,意为“咬紧牙齿；咬牙切齿,teeth和set构成被动关系,眼睛怒目瞪视, eyes和looking是主动关系.所以选B

======以下答案可供参考======

供参考答案1:

A 被动供参考答案2:

A 独立主格结构，后面两空的逻辑主语是teeth和eyes，都是被动，如with his arms crossed.独立主格结构只要找准逻辑主语就好判断了，如weather permitting也是一个典型

供参考答案3:

A这句话的主语是这个男孩，所以牙与眼都是被动，也可以从独立主格考虑