Today is September 10th. It’s ________ Day. Let’s go and buy some flowers for our teachers

1. A.
   Teachers
2. B.
   Teachers’
3. C.
   the Teachers’
4. D.
   Teacher’s

Today is September 10th. It's ________ Day. Let's go and buy some flowers for our teachers.

A. Teachers

B. Teachers'

C. the Teachers'

D. Teacher's