How many specific recycling systems are mentioned inthe last paragraph?

假设你是李明，在黄海大学学习上周三乘坐公交车上学途中遇到堵车，错过了布朗教授的英语口语课考试。请写一封信。内容包括：

1、道歉并说明原因

2、希望有补考的机会

3、恳请面谈补考事宜。

If you are unable to attend the interview, for whateverreason, you should inform us immediately.

This kind of product is fashionable and convenient tocarry,so it is popular with young people.

Although she was very poor, the woman set aside somemoney each month for the education of her child.

The children had fallen asleep before the performancewas over.

When in difficulty,what we need is not to blame eachother but to help each other.

Eating habits are closely related with socialand__________(culture)customs.

The visitors are _________(main)overseasstudents.

His hobby is to_________(collection)coinsfrom differentcountries.

Anne left Germany in the _________(expect)ofseeingher family again before long. www.docin.com 17 