The "Workbook/Studyguide, Vol. 2: To Accompany Destinos, Lecciones 27-52, 2nd Edition (Spanish Edition) (Paperback)" has an answer key for Destinos worksheets. As of 2014, you can also take quizzes online about the Destinos video series at the McGraw-Hill Higher Education website and receive immediate feedback.
Destinos is a Spanish immersion telenova, or soap opera, that teaches speaking, listening and comprehension skills. The program is geared toward high school and college students, and the series introduces viewers to the culture, accents and dialects of various Spanish-speaking countries. Students can purchase DVDs, audio CDs, print, textbooks, worksheets and study guides from online retailers such as Amazon.com.