Either you or I to blame for this.A. amB. isC. areD. be

问题补充：

Either you or I to blame for this.

A. am

B. is

C. are

D. be

答案：

(答案→)A. am

B. is

C. are

D. be

解析：用either..or…., neither…nor… not only…but also…等连接两个名词或代词用主语, 谓语动词常常和最近的那个保持一致.