119.There is a magazine on the ____ desk which is borrowed from the ____ reading room.
A.teacher;teacher
B.teacher's;teacher's
C.teacher's;teachers'
D.teachers';teacher's
120.This is ____ bedroom,my bedroom is on the third floor.
A.Tom's and Peter's
B.Tom's and Peter
C.Tom and Peter's
D.Tom and Peter
119.答案是C，此题考查's所有格，对于名词的所有格，名词末尾没有s的采用's后缀形式，名词末尾有s的采用直接加'的所有格后缀形式。
120.答案是C，此题考查两人共同拥有的所有格形式，即A and B's。
