: If you have the "Class Audio" CD set or the "Self-Study" CD included in the back of your book.
"I lost my audio files." Solution: Always back up your CDs by ripping them to MP3 immediately. Store them in a cloud folder (Google Drive, Dropbox) for access via your phone. touchstone 3 audio
Touchstone 3 Audio is a cutting-edge sound system that boasts several innovative features. Some of its key features include: : If you have the "Class Audio" CD
While primarily North American, the audio exposes students to various speaking styles to build "ear flexibility." touchstone 3 audio