5. These are ________ books. Li Ming bought some at this bookstore and Brain bought some at that bookstore.
A. Li Ming’s and Brain
B. Li Ming and Brain’s
C. Li Ming’s and Brain
D. Li Ming’s and Brain’s
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6. He is ________ .
A. one student of my mother
B. one of my mother’s student
C. my mother’s students
D. one student of my mother’s
7. It’s about ________ from my home to our school.
A. thirty minutes’ walk
B. walk of thirty minutes’
C. walk of thirty minute’
D. thirty minute’s walk
8. This year, the most popular ________ hat is that kind.
A. woman’s
B. womens’
C. women’s
D. womans’
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