录音中有一篇短文，听两遍后，完成下面的句子。
1. Thank you all for coming here to learn about our school’s ________ program.
2. The first part, searching, is the ________ one.
3. You will see ________ different colored rubbish cans.
4. Just remember: pink—paper, blue—bottles, white—________ .
5. Your job will be to collect all sorts of rubbish and take it to ________.