We don’t know . She is new here.A. sheB. herC. hersD. he

问题补充：

We don’t know . She is new here.

A. she

B. her

C. hers

D. he

答案：

A. she

(答案→)B. her

C. hers

D. he

解析：考查人称代词。人称代词主格分别是I, he, she, it；宾格分别是me, him, her,it。Know后的宾语要用宾格代词，A、D是主格，故排除A、D；hers是名词性物主代词“她的”，也排除；故选B。