题目内容：

听下面一段独白，回答以下小题。

1.Where will the recycling campaign be held?

A. In a school.    B. In a radio station.    C. In a recycling center.

2.When will the recycling campaign begin?

A. At 8:00 am on July 8th.    B. At 10:00 am on July 10th.    C. At 10:00 am on July 18th.

3.Why does the speaker ask the listeners to bring cans?

A. To use them to play games.    B. To put them in the special recycling bins.

C. To learn how to sort household rubbish.

4.How can the listeners know more about the recycling campaign?

A. By making a call.    B. By listening to the radio.    C. By reading the newspapers.