They are on the _____ desk.
A. teachers
B. teacher
C. teacher's
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This is not her dress. _____ is blue.
A. Hers
B. Her
C. She
This is ____ classroom.
A. us
B. our
C. we
My pen is not black. The red pen is ____.
A. my
B. I
C. mine
Where are ____ clothes?
A. their
B. they
C. them