The boy was about to cry when he was reprimanded by his mother.
Giải thích
Đáp án: The boy was on the point of crying when he was reprimanded by his mother.
Giải thích:
be about to do something: sắp sửa, chuẩn bị làm gì
= be on the point of doing something
Dịch: Cậu bé sắp khóc thì bị mẹ khiển trách.