北美经典语法学习书Understanding and Use English Grammar Edition 3 By Betty Azar 高清PDF（含答案）

A classic developmental skills text for intermediate to advanced students of English, Understanding and Using English Grammar is a comprehensive reference grammar as well as a stimulating and teachable classroom text. While keeping the same basic approach and material as in earlier editions, the Third Edition more fully develops communicative and interactive language-learning activities. Some of the new features are: *Numerous "real communication" opportunities *More options for interactive work in pairs and groups *Additional open-ended communicative tasks for both speaking and writing *Expanded error analysis exercises *Interesting and lively new exercise material *Shorter units for easy class use
一款经典的语法学习书，适合中级到高级的学生。书中包含语法详解、练习和答案。
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