One third of the deer by the wolves last night.A. was eatenB. is eatenC. were eatenD. are

问题补充：

One third of the deer by the wolves last night.

A. was eaten

B. is eaten

C. were eaten

D. are eaten

答案：

A. was eaten

B. is eaten

(答案→)C. were eaten

D. are eaten

解析：本题的含义是昨天晚上有三分之一的鹿被狼吃掉，本题表示的是过去，用一般过去式，本题表示的是被动意思，故用被动语态，结构为be+过去分词，本题的主语为复数，deer的复数是原形，故空格处填were eaten，故本题选C。