what is the meaning of K1-K12# NextGeneration - 我爱宝宝
f*e
1 楼
I often see K1, K12, K20, what are their meaning and the ages for kids?
What is the relationship between K1 and grade 1?
Thanks.
What is the relationship between K1 and grade 1?
Thanks.
s*t
2 楼
K1好像是美国公民的未婚配偶？ 不确定
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