问题描述：
classmates’和 classmate’s有区别吗?
选择正确答案
We had an open day yesterday. All my ( ) parents came to our school.
A. classmate B. classmates C. classmate's D. classmates'
谢谢
选择正确答案
We had an open day yesterday. All my ( ) parents came to our school.
A. classmate B. classmates C. classmate's D. classmates'
谢谢
问题解答：
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