I'm Kevin, a student of Grade 9.

我叫凯文，是一名九年级的学生。

youdao

He is now studying in Grade 9.

他现在上九年级。

youdao

Lin Tao, a student of Grade 9, is the tallest boy in our school.

林涛，一个九年级的学生，是我们学校最高的男孩。

youdao

So this was in 9th grade.

这是在他们9年级的时候。

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