You haven't been to school for a long time

上学───go to school;长时间───long-term

I go to school usually on foot.───我上学通常是走路去.

Mr. Sawyer goes to work and the children go to school.───索耶先生去上班,孩子们去上学.

When do children begin to go to school?───孩子们什么时候开始上学?

Where will he go to school now he's been thrown out of Eton? What will become of him?───现在他被伊顿公学开除了，他去哪儿上学呢？他将来又会怎样呢？

She will have to go to school.───她将不得不去上学。

We go to school every day but Sunday.───我们除了星期日每天都上学.

She fake illness so as not to go to school.───她为了逃学佯装生病。

You've got to go to school, whether you like it or not.───不管你喜欢不喜欢，你得上学。