tutor

我儿子有一位数学私人家教。

My son has a private ___tutor for math.

学校提供免费的课后辅导课。

The school offers free ___tutor sessions after class.

她聘请了一位私人教师来帮助儿子学习数学。

She hired a private ___tutor to help her son with maths.