Question

一道定语从句练习题，求助

The wolf___ ___ the sheep was killed was shot.
这里是填by which 还是by whom？
5楼的回答很有建设性意义，婴儿真的用WHICH吗？我越来越迷茫了
感谢各位朋友的帮助，尤其是139173朋友。因为有争议，所以我后来专门搜索了一下英文的关于定语从句的解释。确定指动物和物体时是用which. 关于婴儿我还是觉得有点不能接受，看来还要看看更多的资料才可以。关于139173说的那道题我非常想看，下面这个地址是我找到的一个关于定语从句的资料，看地址应该属于英语国家的。再次感谢各位和飞天神猪。
http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/adj.htm

Answer 1

by which

Answer 2

by which，这里实际是the sheep was killed by the wolf,wolf只能用which来指代

Answer 3

by which
whom 只能用来修饰人

Answer 4

by which
wolf

Answer 5

by which,.,,