—What did you do yesterday?
—My brother took two friends of to play chess with us. But I don’t’ know of them.
A. his, all
B. him, both
C. him, either
D. his, either
网友回答
A. his, all
B. him, both
C. him, either
(答案→)D. his, either
解析： all所有都;both两者都;either任何一个.句意:昨天你做了什么?——我的哥哥带着他的两个朋友和我们下棋。但是我不认识他们任何一个人。结合语境可知前文为名词性物主代词做介词宾语，故选D。