You can download the audio files at the FLRC (LH253) or listen to them at the publisher’s web site.  Keep a track of what you have done (if you see only numbers of the each file on your computer) so that it would be easier for you to find the files for future assignments.　

Give yourself a plenty time to work on the listening sections (plan ahead)!  You will received zero for missed assignments. Not being able to complete the WB assignments because of technical problems or lab being closed temporarily does not excuse your not completing the assignments.      My office is inside the FLRC.

Method 1: Downloading files at FLRC  (FLRC may close without a prior notice.)

I recommend you to download all the audio files for both text book and workbook (two separate folders) in the FLRC lab. 
Find FLRC hours:  http://www.uncw.edu/fll/FLRC.html   Remember to bring your own headphone to listen !!

They are MP3 format so you can download to anything you wish. 

Method 2: Publisher's site   (The publisher’s site sometimes has an access problem.)

You can also access to the audio files from the publisher's web site.  Go to  http://www.mhhe.com/yookoso3

Click on An Invitation to Contemporary Japanese.  (Keep looking at the menu on the left to find the followings.), then  "student Edition" (on the left side menu), then choose (Getting Started) from the dropdown menu on the left, then Laboratory Audio Program.  Choose the sections you want to listen.  
Note:  Make sure you choose either "Textbook Audio Program" for audio files of the textbook Yookoso or "laboratory Audio Program" of the Workbook.