is an American girl and name is Mary.A. Her; herB. She；herC. She；She’sD. She ; his

问题补充：

is an American girl，and name is Mary.

A. Her; her

B. She；her

C. She；She’s

D. She ; his

答案：

A. Her; her

(答案→)B. She；her

C. She；She’s

D. She ; his

解析：根据表语一个美国女孩，可知主语人称代词为she，她，后面物主代词为her，她的，故选B。