Last week, they organized protests around the country on tax day - the deadline for Americans to report their annual income and pay any taxes due.

VOA: standard.2009.04.20

Then you have a problem set, which is due on that day, your first problem set, and the problem set is up on the website.

你们到时还要交习题册，这是你们的第一次回家练习，习题册已经上传到网上了。

耶鲁公开课 - 金融市场课程节选

Incidentally, we have a problem set, which I want you to start today and it will be due not in a week this time, because we have Martin Luther King Day coming up, but it will be due the Monday following that.

顺便说一句,我们有一套习题,我希望你你们从今天就开始做,不要求下个礼拜交,因为马丁·路德·金日要放假,等放完假后的礼拜一交

耶鲁公开课 - 金融市场课程节选