Exprésate 2
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Ch.1
Ch.2
Ch.3
Ch.4
Ch.5
Ch.6
Ch.7
Video Help
Lesson 1: -er Verbs in the Preterite Tense
http://www.youtube.com/watch?v=2i2GrTjDKFc
Lesson 2: -ir Verbs in the Preterite
http://www.youtube.com/watch?v=L8kMZSFBrWI