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註釋Save time AND money with this all-in-one online companion to PUENTES, Fifth Edition! With iLrn:? Heinle Learning Center, everything you need to master the skills and contents of the course is built right in to this dynamic audio- and video-enhanced learning environment, including an interactive diagnostic study tool that helps you prepare for exams. An online Student Activities Manual with audio allows you to receive immediate feedback on your work. The Learning Center also gives you access to an audio- and video-enhanced eBook, integrated textbook activities, partnered, voice-recorded activities, and companion videos with pre- and post-viewing activities.