根据句意和首字母提示完成单词。

1. He often plays football a______ school.

2. I think it's h______ past eight now.

3. M______ is the second day of a week.

4. I'm b______. I have no time to go to the park with you now.

5. S______ 10th is Teachers' Day.

下列各项中，在发出商品时确认销售商品收入的是（　　　）

A．分期收款销售的商品

B．发出委托代销商品

C．将商品销售给目前现金流转严重困难的老客户

D．附有销售退回条件的商品销售