I started looking at college brochures in 10th grade; took extra courses to finish at the head of my class.

在十年级的时候，我就开始研究那些小册子中的大学录取条件。在我进入大学之前，就学习这些课程。

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If you are determined to make the grade in the entrance examination, you must work extra hard.

如果你决心要在入学考试中成功，你必须加倍努力学习。

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Yesterday, when I walked my children to school, I had a few extra minutes so I accompanied my daughter to her second grade class.

昨天我把孩子们送到学校后还有些时间于是就陪着女儿送她去二年级。

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