Activating Skills for Listening is part four of a four-part series dedicated to building, strengthening and expanding a student's English listening skill.
Supplemental Materials:
● Online materials, including Answer Keys, can be found here www.compasspub.com/asforl2
程度：A2+~B1。
Supplemental Materials:
● Online materials, including Answer Keys, can be found here www.compasspub.com/asforl2
程度：A2+~B1。