_________ mothers can't come to the meeting because they have gone to Dalian.
A. Sally's and Jane
B. Sally and Jane's
C. Sally's and Jane's
D. Sally and Janes'
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The teacher had something to tell him, so he went to ___________ .
A. the teacher's
B. the teacher
C. the teachers
D. teacher
This is my _________ book.
A. sister Lily
B. sister's Lily
C. sister's Lily's
D. sister Lily's
This is __________ computer. The twin brothers like it very much.
A. Mike and Jack
B. Mike's and Jack's
C. Mike and Jack's
D. Mike's and Jack
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
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