These are ______ chairs.
A. students
B. students'
C. the student's
D. students's
---What’s that? ---It’s ______ magazine.
A. a
B. an
C. the
D. /
---_______ the woman? ----She is my mother.
A. What's
B. Who's
C. Whose is
D. Which is
---Give me some glasses, please. ----______ glasses?
A. What
B. Whose
C. Which
D. Who