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: The official publisher provides free MP3 audio files for the listening portions of the exercises. 💡 Quick Study Reference (Lessons 1–25)
: Giving and receiving gifts, accepting or declining invitations, and visiting friends' homes. Past & Personal Talk
Take a photo of your completed exercise and post it. Native speakers will correct it for free (or cheap). This is actually than a PDF answer key because you get explanations in real time.
As for the PDF answers, I couldn't find a direct link to provide you with. However, I can suggest some alternatives:
