I dropped out of school at the age of ten.同意
I quitted school at the age of ten.
Rural children out of school
I dropped out (of school) since I was 10.I dropped out (of school) at the age of ten.dropped out 一般都和学校一起用，所以可以不用括号里的
dropout rate
I dropped out of school when I was ten years old.
dropout students of rural area
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小花肚子饿
